1. Abe, E., Hopf Algebras. Cambridge University Press, Cambridge
2. Albert, A. A., Structure of Algebras. AMS Colloq. Pub. American Mathematical Society, Providence
3. Anderson, F., and Fuller, K., Rings and Categories of Modules. Springer-Verlag, Berlin
4. Artin, E., Nesbit, C. J, and Thrall, R., Rings with Minimum Condition. University of Michigan Press, Ann Arbor
5. Barbilian, D., Teoria Aritmetica a Idealilor (in inele necomutative). Ed. Acad. Rep. Pop. Romine, Bucaresti