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, Jg. 903, S. 125-167
Eigenvalues of Coxeter transformations and the Gelfand-Kirillov dimension of the preprojective algebras
In: Proceedings of the American Mathematical Society, Jg. 83 H. 2, S. 228-232Kawada's theorem
In: Abelian Group Theory. Proceedings of the Oberwolfach Conference, January 12–17, 1981, Jg. 874, S. 431-446Representation-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. 39-54