Report on the Brauer-Thrall conjectures: Rojter's theorem and the theorem of Nazarova and Rojter (on algorithms for solving vectorspace problems. I)
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. 104-136
The representation type of local algebras
In: Representations of Algebras. Proceedings of the International Conference Ottawa 1974, Jg. 488, S. 282-305