1. Rings and Categories of Modules;Anderson,1973
2. Representation theory of artin algebras II;Auslander;Comm. Algebra,1974
3. Large modules over artin algebras;Auslander,1976
4. Countable generatedness version of rings of pure global dimension zero;Azumaya,1992
5. Quadratic extensions of skew fields;Cohn,1961