Department of Mathematical Sciences

 

 
  1. 1989
  2. Published

    Model-theoretic algebra with particular emphasis on fields, rings, modules

    Jensen, Chr Ulrik & Lenzing, H., 1989, Gordon and Breach Science Publishers, New York. (Algebra, Logic and Applications, Vol. 2).

    Research output: Book/ReportBookResearchpeer-review

  3. Published

    On Giambelli's theorem on complete correlations

    Laksov, D., Lascoux, A. & Thorup, Anders, 1989, In: Acta Mathematica. 162, 3-4, p. 143-199 57 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    On the representations of a group as a Galois group over an arbitrary field

    Jensen, Chr Ulrik, 1989, Théorie des nombres (Quebec, PQ, 1987). De Gruyter, p. 441-458 18 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  5. Published

    Polynomial complements

    Møller, Jesper Michael, 1989, In: Topology and Its Applications. 31, 2, p. 149-158 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Self-homotopy equivalences of HZ/p-local spaces

    Møller, Jesper Michael, 1989, In: Kodai Mathematical Journal. 12, 2, p. 270-281 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Some remarks on the surjectivity spectrum of linear operators

    Laursen, Kjeld Bagger & Vrbova, P., 1989, In: Czechoslovak Mathematical Journal. 39, 114

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Symmetric matrices with alternating blocks

    Hefez, A. & Thorup, Anders, 1989, Computers and mathematics (Cambridge, MA, 1989). Springer, p. 66-72 7 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  9. Published

    Three quavers on unitary elements in C*-algebras

    Pedersen, G. K., 1989, In: Pacific J. Math. 137, p. 169-179

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    On the vanishing of Hn(A, A*) for certain C*-algebras

    Christensen, Erik & Sinclair, A. M., Mar 1989, In: Pacific Journal of Mathematics. 137, 1, p. 55-63 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    A renormalization group analysis of lattice models of two-dimensional membranes

    Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Jonsson, T., 1 Apr 1989, In: Journal of Statistical Physics. 55, 1-2, p. 29-85

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Kinematical numerical study of the crumpling transition in crystalline surfaces

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 17 Apr 1989, In: Nuclear Physics B. 316, 3, p. 526-558

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Completely bounded isomorphisms of injective von neumann algebras

    Christensen, Erik & Sinclair, A. M., Jun 1989, In: Proceedings of the Edinburgh Mathematical Society. 32, 2, p. 317-327 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    A survey of completely bounded operators

    Christensen, Erik & Sinclair, A. M., Sep 1989, In: Bulletin of the London Mathematical Society. 21, 5, p. 417-448 32 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Local boundary data of eigenfunctions on a Riemannian symmetric space

    van den Ban, E. P. & Schlichtkrull, Henrik, Oct 1989, In: Inventiones Mathematicae. 98, 3, p. 639-657 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 1990
  17. Published

    A Survey of Product-Integration with a View Towards Applications in Survival Analysis.

    Johansen, Søren & Gill, R. D., 1990, In: Annals of Statistics. 18, p. 1501-1555 55 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Bayes and Price on the Beta Probability Integral. Archive for History of Exact Sciences

    Hald, A., 1990, In: Archive for History of Exact Sciences. 41, 2, p. 139-56

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Critical properties of some discrete random surface models

    Durhuus, Bergfinnur, 1990, Constructive quantum field theory II. New York: Plenum Publishing Corporation, p. 235-264

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  20. Published

    Empirical Bayes estimation of the binomial parameter.

    Hesselager, O., 1990, København: Kbh.Univ., 16 p.

    Research output: Working paperResearch

  21. Published

    Equivariant self-homotopy equivalences of 2-stage G-spaces

    Møller, Jesper Michael, 1990, Groups of self-equivalences and related topics (Montreal, PQ, 1988): Lecture Notes in Mathematics. Berlin: Springer, Vol. 1425. p. 133-146 14 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  22. Published

    Hotelling's Theorem on the Volume of Tubes: some Illustrations in Simultaneous Inference and Data Analysis.

    Johansen, Søren & Johnstone, I., 1990, In: Annals of Statistics. 2, p. 652-–684 33 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Hvad hedder de forskellige mikro-makro-tal?

    Larsen, M. E., 1990, In: Kvant. 1,4, p. 25

    Research output: Contribution to journalJournal articleResearch

  24. Published

    Linear prediction and credibility in continuous time.

    Norberg, R., 1990, København: Museum Tusculanum, 16 p.

    Research output: Working paperResearch

  25. Published

    Maximum Likelihood Estimation and Inference on Cointegration — with Applications to the Demand for Money. Oxford Bulletin of Economics and Statistics 52, 169–210 (1990). (With K. Juselius)

    Johansen, Søren & Juselius, Katarina, 1990, In: Oxford Bulletin of Economics and Statistics. 52, p. 169-210 42 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Numerical evaluation of Markov transition probabilities based on the discretized product integral.

    Møller, C. M., 1990, København: Museum Tusculanum, 20 p.

    Research output: Working paperResearch

  27. Published

    On equivariant function spaces

    Møller, Jesper Michael, 1990, In: Pacific Journal of Mathematics. 142, 1, p. 103-119 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Optimal reinsurance structures.

    Hesselager, O., 1990, København: Kbh.Univ., 20 p.

    Research output: Working paperResearch

  29. Published

    Payment Measures, Interest and Discounting: An Axiomatic Approach with Applications to Insurance

    Norberg, R., 1990, In: Scandinavian Actuarial Journal. 1-2, p. 14-33

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Peters' atlas

    Larsen, M. E., 1990, In: Kvant. 1,4, p. 15-7

    Research output: Contribution to journalJournal articleResearch

  31. Published

    Rational equivalence theory on arbitrary Noetherian schemes

    Thorup, Anders, 1990, Enumerative geometry (Sitges, 1987). Springer, Vol. 1436. p. 256-297 42 p.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  32. Published

    Reserves in life and pension insurance.

    Norberg, R., 1990, København: Kbh.Universitet, 16 p.

    Research output: Working paperResearch

  33. Published

    Risk Theory and its Statistics Environment

    Norberg, R., 1990, In: Statistics. 21, 2, p. 273-299

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Published

    Samelson products in spaces of self-homotopy equivalences

    Møller, Jesper Michael, 1990, In: Canadian Journal of Mathematics - Journal Canadien de Mathematiques. 42, 1, p. 95-108 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  35. Published

    Select Mortality and other Durational Effects Modelled by Partially Observed Markov Chains

    Møller, C. M., 1990, In: Scandinavian Actuarial Journal. 3-4, p. 23

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Select mortality and other durational effects modelled by partially observed Markov chains.

    Møller, C. M., 1990, København: Museum Tusculanum, 29 p.

    Research output: Working paperResearch

  37. Published

    The Corona Construction

    Pedersen, G. K., 1990, Operator Theory:Proceedings of the 1988 GPOTS_Wobash conference. Longman Scientific and Technical, p. 49-92

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  38. Published

    The transmission property

    Grubb, Gerd & Hörmander, L., 1990, In: Mathematica Scandinavica. 67, p. 273-289

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Which Types of Perinatal Events are Predictable? A Look at a Risk Score Model

    Henningsen, Inge Biehl, 1990, In: Acta Obstetricia et Gynecologica Scandinavica. 69, p. 379-88

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    Cortical spreading depression is associated with arachidonic acid accumulation and preservation of energy charge

    Lauritzen, Martin, Hansen, A. J., Kronborg, Dorte & Wieloch, T., 1 Jan 1990, In: Journal of Cerebral Blood Flow and Metabolism. 10, 1, p. 115-122 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Ischemia May Be the Primary Cause of Neurological Deficits in Classic Migraine

    Kronborg, Dorte, Dalgaard, P. & Lauritzen, Martin, 1 Jan 1990, In: Archives of Neurology. 47, 2, p. 124-125 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  42. Published

    A random walk representation of the Dirac propagator

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 29 Jan 1990, In: Nuclear Physics B. 330, 2-3, p. 509-522

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Published

    Summing over all genera for d > 1: a toy model

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 26 Jul 1990, In: Physics Letters B. 244, 3-4, p. 403-412

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. 1991
  45. Published

    A Statistical Analysis of Cointegration for I(2) Variables

    Johansen, Søren, 1991, Københavns Universitet, p. 26.

    Research output: Working paperResearch

  46. Published

    A density index for the Stieltjes moment problem

    Berg, Christian & Thill, M., 1991, In: IMACS Annals on Computing and applied Math.. 9, p. 185-188

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Actuarial Statistics - The European Perspective

    Norberg, R., 1991, Proceedings of the Third Int. Conference on Teaching Statistics.  Teaching Statistics Beyond School Level. Voorburg, The Netherlands: ISI Publ. in Statistical Education, Vol. 2. p. 405-410

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  48. Published

    Amenability and weak amenability of tensor algebras and algebras of nuclear operators

    Grønbæk, Niels, 1991, In: J. Austral. Math. Soc. Ser. A. 51, p. 483-388

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    An I(2) Cointegration Analysis of the Purchasing Power Parity between Australia and USA

    Johansen, Søren, 1991, København, Kbh.Univ., p. 25.

    Research output: Working paperResearch

  50. Published

    Analysis of variance and design of experiments

    Tjur, T., 1991, In: Scandinavian Journal of Statistics. 18, p. 273-322

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Asymptotic results for the risk process based on marked point processes.

    Møller, C. M., 1991, København: Museum Tusculanum, 22 p.

    Research output: Working paperResearch

  52. Published

    Automatic continuity of intertwining linear operators on Banach spaces

    Laursen, Kjeld Bagger & Neumann, M. M., 1991, In: Rendiconti del Circolo Matematico di Palermo. 40, 3, p. 325-341

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Block Designs and Electrical Networks

    Tjur, T., 1991, In: Annals of Statistics. 19, p. 1010-27

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Bonnesen's inequality for the isoperimetric deficiency of closed curves in the plane

    Fuglede, Bent, 1991, In: Geometriae Dedicata. 38, p. 283-300

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Boundary value problems for the nonstationary Navier-Stokes equations treated by pseudo-differential methods

    Grubb, Gerd & Solonnikov, V. A., 1991, In: Mathematica Scandinavica. 69, p. 217-290

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    Bringer sorte katte ulykke

    Larsen, M. E., 1991, In: Illustreret Videnskab. 12, p. 7

    Research output: Contribution to journalJournal articleResearch

  57. Published

    C*-algebras of real rank zero

    Brown, L. G. & Pedersen, G. K., 1991, In: Journal of Functional Analysis. 99, p. 131-149

    Research output: Contribution to journalJournal articleResearchpeer-review

  58. Published

    Calcul symbolique et estimations Lp pour les problèmes aux limites pseudo-diffèrentiels paramètrisès

    Grubb, Gerd & Kokholm, N. J., 1991, In: Comptes Rendus de l'Académie des Sciences - Series I - Mathematics. 312, p. 223-6

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Published

    Comments on E.E. Leamer: A Baysian perspective in inference from macroeconomic data

    Johansen, Søren, 1991, In: Scandinavian Journal of Economics. 93, p. 249-51

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Den kryptiske side

    Larsen, M. E., 1991, In: Illustreret Videnskab. 9, p. 83, 86

    Research output: Contribution to journalJournal articleCommunication

  61. Published

    Determination of Cointegration Rank in the Presence of Linear Trend

    Johansen, Søren, 1991, Københavns Universitet, p. 15.

    Research output: Working paperResearch

  62. Published

    Estimating Systems of Trending Variables

    Johansen, Søren, 1991, Københavns Univiversitet, p. 35.

    Research output: Working paperResearch

  63. Published

    Estimation and Hypothesis Testing of Cointegration Vectors in Gaussian Vector Autoregressive Models

    Johansen, Søren, 1991, In: Econometrica. 59, 6, p. 1551-80

    Research output: Contribution to journalJournal articleResearchpeer-review

  64. Published

    Fermats sidste sætning

    Larsen, M. E., 1991, In: Kvant. 4, 3, p. 22, 24-25

    Research output: Contribution to journalJournal articleResearch

  65. Published

    Globally Convergent Algorithms for Maximizing Likelihood Function

    Jensen, S. T., Johansen, Søren & Lauritzen, Steffen, 1991, In: Biometrika. 78, 4, p. 867-877 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  66. Published

    Globally convergent algorithms for maximizing a likelihood function

    Jensen, S. T., Johansen, Søren & Lauritzen, S. L., 1991, In: Biometrika. 78, 4, p. 867-77

    Research output: Contribution to journalJournal articleResearchpeer-review

  67. Published

    Hattendorff's theorem generally stated.

    Norberg, R., 1991, København: Museum Tusculanum, 12 p.

    Research output: Working paperResearch

  68. Published

    Hele verden på et kort

    Larsen, M. E. & Danielsen, H., 1991, In: Illustreret Videnskab. 9, p. 32-41, 84

    Research output: Contribution to journalJournal articleResearch

  69. Published

    Homogeneous Gaussian Diffusions in Finite Dimensions

    Jacobsen, Martin, 1991, Københavns Universitet, p. 70.

    Research output: Working paperResearch

  70. Published

    Homological dimensions of unbounded complexes

    Foxby, H. & Avramov, L. L., 1991, In: Journal of Pure and Applied Algebra. 71, 2-3, p. 129-155

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    Hvad er en trapez

    Larsen, M. E., 1991, In: Illustreret Videnskab. 2, p. 8

    Research output: Contribution to journalJournal articleResearch

  72. Published

    Hvor kommer ordet kandidat fra

    Larsen, M. E., 1991, In: Illustreret Videnskab. 1, p. 7

    Research output: Contribution to journalJournal articleResearch

  73. Published

    Hvornår begynder det næste årtusinde.

    Larsen, M. E., 1991, In: Illustreret Videnskab. 8, p. 8

    Research output: Contribution to journalJournal articleResearch

  74. Published

    Initial value problems for the Navier-Stokes equations with Neumann conditions

    Grubb, Gerd, 1991, The Navier-Stokes equations II - Theory and Numerical methods, Proceedings, Oberwolfach 1991, Lecture Notes in Math. Heidelberg: Springer, Vol. 1530. p. 262-283

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  75. Published

    Intertwiners and automatic continuity

    Laursen, Kjeld Bagger & Vrbova, P., 1991, In: Journal of the London Mathematical Society. 43, 2, p. 149-155

    Research output: Contribution to journalJournal articleResearchpeer-review

  76. Published

    Ladder heights and the Markov-modulatedM/G/1 queue

    Asmussen, S., 1991, In: Stochastic Processes and Their Applications. 37, p. 313-26

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Lattice-ordered conditional independence models for missing data

    Andersson, S. A. & Perlman, M. D., 1991, In: Statistics & Probability Letters. 12, 6, p. 465-86

    Research output: Contribution to journalJournal articleResearchpeer-review

  78. Published

    Le problème d'Atiyah-Patodi-Singer pour les variétés à bord générales (non-cylindriques)

    Grubb, Gerd, 1991, In: Journees Equations aux Derivees Partielles. 8, 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Published

    Liden forskel gør et stort rod

    Larsen, M. E., 1991, In: Naturligvis. p. 16-9

    Research output: Contribution to journalJournal articleResearch

  80. Published

    Liden forskel gør et stort rod

    Larsen, M. E., 1991, In: Kvant. 2, 2, p. 24-8

    Research output: Contribution to journalJournal articleResearch

  81. Published

    Locally Compact F'-Spaces, Sub-Stonean Spaces and Quotients of Locally Compact Groups

    Kehlet, E. T., 1991, In: Mathematica Scandinavica. 68, 2, p. 269-272

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Published

    Løser kineserne krydsogtværs

    Larsen, M. E., 1991, In: Illustreret Videnskab. 3, p. 6

    Research output: Contribution to journalJournal articleResearch

  83. Published

    Marker-dependent hazard estimation: An application to AIDS.

    Fusaro, R. E., Nielsen, J. P. & Scheike, Thomas, 1991, København: Museum Tusculanum, 30 p.

    Research output: Working paperResearch

  84. Published

    Matematiki 2MA, Kap. IV, V, VI

    Grubb, Gerd, 1991, Matematik 2MA, Matematisk Analyse, Kap. IV, V, VI. Forelæsningsnoter. København: Matematisk Instituts notetrykkeri, p. 188

    Research output: Chapter in Book/Report/Conference proceedingBook chapterEducation

  85. Published

    Modular cocharacters for P.I. algebras

    Olsson, Jørn Børling & Regev, A., 1991, In: Journal of Algebra. 143, p. 93-118

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    Non-commutative spheres I

    Elliott, G. A., Bratteli, O., Evans, D. E. & Kishimoto, A., 1991, In: International Journal of Mathematics. 2, 2, p. 139-66

    Research output: Contribution to journalJournal articleResearchpeer-review

  87. Published

    On the classification of inductive limits of inner actions of a compact group

    Elliott, G. A., Bratteli, O., Evans, D. E. & Kishimoto, A., 1991, Current Topics in Operator Algebras. Singapore: World Scientific, p. 13-24

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  88. Published

    Parabolic pseudo-differential boundary problems and applications

    Grubb, Gerd, 1991, Microlocal Analysis and applications, Montecatini terme 1989,. Heidelberg: Springer, p. 46-117 (Lecture Notes in Math., Vol. 1495).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  89. Published

    Partition identities with an application to group representation theory

    Olsson, Jørn Børling & Andrews, G. E., 1991, In: Journal Reine ang. Mathematik. 413, p. 198-212

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Published

    Prediction of Outstanding Claims: A Hierarchical Credibility Approach

    Hesselager, O., 1991, In: Scandinavian Actuarial Journal. 1, p. 25-47

    Research output: Contribution to journalJournal articleResearchpeer-review

  91. Published

    Prediction of outstanding liabilities in non-life insurance.

    Norberg, R., 1991, København: Museum Tusculanum, 26 p.

    Research output: Working paperResearch

  92. Published

    Pæne trekanter

    Larsen, M. E., 1991, In: Kvant. 2, 1, p. 28-9

    Research output: Contribution to journalJournal articleResearch

  93. Published

    Random Censoring and Coarsening at Random

    Jacobsen, Martin & Keiding, N., 1991, København, Kbh.Univ., p. 14.

    Research output: Working paperResearch

  94. Published

    Real Rank of C*-Algebras

    Pedersen, G. K., 1991, Current Topics in Operator Algebras. Singapore: World Scientific, p. 25-32

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  95. Published

    Reserves in Life and Pension Insurance

    Norberg, R., 1991, In: Scandinavian Actuarial Journal. 1, p. 3-24

    Research output: Contribution to journalJournal articleResearchpeer-review

  96. Published

    Rotation invariant moment problems

    Berg, Christian & Thill, M., 1991, In: Acta Mathematica. 167, p. 207-227

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Self-homotopy equivalences of group cohomology spaces

    Møller, Jesper Michael, 1991, In: Journal of Pure and Applied Algebra. 73, p. 23-37

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published

    Smash products, group actions and group graded rings

    Jensen, A. & Jøndrup, Søren, 1991, In: Mathematica Scandinavica. 68, p. 161-170

    Research output: Contribution to journalJournal articleResearchpeer-review

  99. Published

    Solution dans les espaces de Sobolev Lp anisotropes des problèmes aux limites pseudo-diffèrentiels paraboliques et des problèmes de Stokes

    Grubb, Gerd, 1991, In: Comptes Rendus de l'Académie des Sciences - Series I - Mathematics. 312, p. 89-92

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Some remarks on affine group graded rings

    Jøndrup, Søren, 1991, In: Communications in Algebra. 19, 1, p. 119-24

    Research output: Contribution to journalJournal articleResearchpeer-review

  101. Published

    Spectral Subspaces and Automatic Continuity

    Laursen, Kjeld Bagger, 1991, København: Eget forlag. 38 p.

    Research output: Book/ReportDoctoral thesisResearch

  102. Published

    Statistical Analysis of Cointegration Vectors

    Johansen, Søren, 1991, Long-Run Economic Relationships-Readings in Cointegration. Granger, C. & Engle, R. (eds.). Oxford University Press, p. 131-52

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  103. Published

    Testing Weak Exogeneity and the Order of Cointegration in UK Money Demand Data

    Johansen, Søren, 1991, Københavns Universitet, p. 31.

    Research output: Working paperResearch

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