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The composition algebra of a cyclic quiver
In: Proceedings of the London Mathematical Society : Ser. 3, Jg. 66, S. 507-5371993
The category of modules with good filtrations over a quasi-heriditary algebra has almost split sequences
In: Mathematische Zeitschrift, Jg. 208 H. 1, S. 209-2231991


The canonical algebras (with an appendix by W. Crawley-Boevey)
In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 407-4321990
The braid group action on the set of exceptional sequences of a hereditary artin algebra
In: Abelian group theory and related topics: Conference on Abelian Groups, August 1 - 7, 1993, Oberwolfach, Germany, Jg. 171, S. 339-3521994
Tame algebras: (on algorithms for solving vector space problems, II)
In: Representation Theory I: Proceedings of the Workshop on the Present Trends in Representation Theory, Ottawa, Carleton University, August 13-18, 1979: No. 1, Jg. 831, S. 137-2871980
Sur la conjecture de Brauer-Thrall
In: Comptes rendus hebdomadaires des séances de l' Académie des Sciences, Jg. 276, S. 1441-14421973
Socle determined categories of representations of artinian hereditary tensor algebras
In: Journal of algebra, Jg. 64 H. 1, S. 249-2691980

Separating tubular series
In: Séminaire d' Algèbre Paul Dubreil et Marie-Paule Malliavin. Proceedings Paris 1982 (35ème Année), Jg. 1029, S. 134-1581983


Représentations indécomposables des algèbres
In: Comptes rendus hebdomadaires des séances de l' Académie des Sciences, Jg. 276, S. 1393-13961973
Représentations des graphes valués
In: Comptes rendus hebdomadaires des séances de l'Académie des Sciences, Jg. 278, S. 537-5401974
Representation-finite tree algebras
In: Representations of Algebras. Proceedings of the Third International Conference on Representations of Algebras, held in Puebla, Mexico, August 4 - 8, 1980, Jg. 903, S. 39-541981
Representation theory of finite-dimensional algebras
In: Representations of algebras: proceedings of the Durham symposium 1985, Jg. 116, S. 7-791986
Report on the Brauer-Thrall conjectures: Rojter's theorem and the theorem of Nazarova and Rojter (on algorithms for solving vectorspace problems. I)
In: Representation Theory I. Proceedings of the Workshop on the Present Trends in Representation Theory, Ottawa, Carleton University, August 13-18, 1979: No. 1, Jg. 831, S. 104-1361980
Remarks on a paper by Skornjakov concerning rings for which every module is a direct sum of left ideals
In: Archiv der Mathematik, Jg. 31 H. 1, S. 329-3311978
Reflection functors for hereditary algebras
In: Journal of the London Mathematical Society : Ser. 2, Jg. 21 H. 3, S. 465-4791980
