1. Rings and Categories of Modules;Anderson,1991
2. Functors and Morphisms Determined by Objects;Auslander,1978
3. Representations of quantum algebras;Andersen;Invent. Math.,1991
4. Representation Theory of Artin Algebras;Auslander,1994
5. Covering spaces in representation theory;Bongartz;Invent. Math.,1982