The dimension of a quasi-hereditary algebra
In: Topics in Algebra. 1: Rings and representations of algebras, Jg. 26,1, S. 263-271
The derived category of a tubular algebra
In: Representation Theory I: Finite dimensional algebras: Proceedings of the Fourth International Conference on Representations of Algebras, held in Ottawa, Canada, August 16-25, ... Part 1, Jg. 1177, S. 156-180
Directing projective modules
In: Archiv der Mathematik, Jg. 60 H. 3, S. 237-246Diagrammatic methods in the representation theory of orders
In: Journal of algebra, Jg. 60 H. 1, S. 11-42Diagonalisierungspaare II
In: Mathematische Zeitschrift, Jg. 122 H. 1, S. 10-32Diagonalisierungspaare I
In: Mathematische Zeitschrift, Jg. 117 H. 1-4, S. 249-266Decomposition of modules over right uniserial rings
In: Mathematische Zeitschrift, Jg. 129 H. 3, S. 207-230