[4] Assem, I., Simson, D., Skowroński, A.:
Elements of the Representation Theory of Associative Algebras. Vol. 1. Techniques of Representation Theory. London Mathematical Society Student Texts 65, Cambridge University Press, Cambridge (2006).
DOI 10.1017/CBO9780511614309 |
MR 2197389 |
Zbl 1092.16001