Socle determined categories of representations of artinian hereditary tensor algebras
In: Journal of algebra, Jg. 64 H. 1, S. 249-2691980
The spectral radius of the Coxeter transformations for a generalized Cartan matrix
In: Mathematische Annalen, Jg. 300 H. 1, S. 331-3391994
The spectrum of a finite dimensional algebra
In: Ring theory. Proceedings of the 1978 Antwerp Conference, Jg. 51, S. 535-5971979
The structure of balanced rings
In: Proceedings of the London Mathematical Society, Jg. 26 H. 3, S. 446-4621973
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


Unions of chains of indecomposable modules
In: Communications in Algebra, Jg. 3 H. 12, S. 1121-11441975
Vinberg's characterization of Dynkin diagrams using subadditive functions with application to DTr-periodic modules
In: Representation Theory II: Proceedings of the Second International Conference on Representations of Algebras, Ottawa, Carleton University, August 13-25, 1979: No. 2, Jg. 832, S. 280-2941980
