References
- Behrens, E. A. (1972). Ring Theory. New York: Academic Press.
- Curtis, C. W., Reiner, I. (1962). Representation Theory of Finite Groups and Associative Algebras. New York: Interscience.
- Malcev, A. (1942). On the representation of an algebra as a direct sum of its radical and a semi-simple subalgebra. Dokl. Akad. Nauk 36:42–46.