A construction for quasi-hereditary algebras
In: Compositio Mathematica, Vol. 70 Issue 2, page 155-1751989
A construction of rings whose injective hulls allow a ring structure
In: The journal of the Australian Mathematical Society, Vol. 16 Issue 01, page 7-131973
Construction of tilted algebras
In: Representations of Algebras. Proceedings of the Third International Conference on Representations of Algebras, held in Puebla, Mexico, August 4 - 8, 1980, Vol. 903, page 125-1671981
Decomposition of modules over right uniserial rings
In: Mathematische Zeitschrift, Vol. 129 Issue 3, page 207-2301972
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, Vol. 1177, page 156-1801986


Diagrammatic methods in the representation theory of orders
In: Journal of algebra, Vol. 60 Issue 1, page 11-421979
Diagramme über geordneten Mengen und einige Analogien zur Theorie abelscher Gruppen
Elektronische Ressource, Paderborn, 2021

The dimension of a quasi-hereditary algebra
In: Topics in Algebra. 1: Rings and representations of algebras, Vol. 26,1, page 263-2711990

Eigenvalues of Coxeter transformations and the Gelfand-Kirillov dimension of the preprojective algebras
In: Proceedings of the American Mathematical Society, Vol. 83 Issue 2, page 228-2321981
Every semiprimary ring is the endomorphism ring of a projective module over a quasi-hereditary ring
In: Proceedings of the American Mathematical Society, Vol. 107 Issue 1, page 1-51989


Finite-dimensional hereditary algebras of wild representation type
In: Mathematische Zeitschrift, Vol. 161 Issue 3, page 235-2551978
Four papers on problems in linear algebra
In: Representation theory. Selected papers, Vol. 69, page 141-1561982

G. Lusztig: Introduction to Quantum Groups [Book review]
In: Zeitschrift für Analysis und ihre Anwendungen, Vol. 13, page 756-7601994
