The canonical algebras (with an appendix by W. Crawley-Boevey)
William Crawley-Boevey, Claus Michael Ringel · PUB – Publications at Bielefeld University (Bielefeld University) · 1990
Crawley-Boevey W, Ringel CM. The canonical algebras (with an appendix by W. Crawley-Boevey). In: Balcerzyk S, ed. Topics in Algebra. 1: Rings and representations of algebras. Banach Center publications. Vol 26,1. Warszawa: Panstw. Wyd. Naukowe; 1990: 407-432.