Diagrammatic methods in the representation theory of orders
In: Journal of algebra, Jg. 60 H. 1, S. 11-42
Indecomposable representations of orders and Dynkin diagramm
In: Comptes rendus mathématiques de l'Académie des Sciences / Academy of Science, Ottawa, Jg. 1 H. 2, S. 91-94Socle determined categories of representations of artinian hereditary tensor algebras
In: Journal of algebra, Jg. 64 H. 1, S. 249-269