References
- I.N. Herstein, Noncommutative rings, The Math. Assoc. of America, 1968.
- Roger Ware, Endomorphism Rings of Projective Modules, Trans. of the AMS 55 (1971), 233-256.
- Frank W. Anderson and Kent R.Fuller, Rings and Categories of Modules, New York ; Spring-Verlag, 1973.
- C. Faith, Rings, Modules, and Categories, Berlin, Springer-Verlag, 1973.
- Thomas W. Hungerford, Algebra, Spring-Verlag; New York, 1974.
- Maurice Auslander & David A. Buchsbaum, Groups, Rings, Modules (1974), Harper & Row, Publishers, New York, Evanston, San Francisco, London.
- Joachim Lembek, Lecture on Rings and Modules, Chelsea Publ. Comp. New York, 1976.
- Soon-Soak Bae, Generalized Schur's Lemmas, Journal of Graduate School, Kyungnam University 16 No.2 (2001). 7-11.
- A.G. Naoum and W.K.H. Al-Aubaidy, A note on Multiplication Modules and their Rings of Endomorphisms, Kyungpook Math.J. 35 (1995), 223-228.
- Soon-Soak Bae, On the semi-primitive and the semi-simple Multiplication Modules, Kyungnam University, Journal of Graduate School 11 (1996), 391-397.
- Carl Faith, Indecomposable injective modules and a theorem of Kaplansky, Communications in algebra 30 (2002), 5875-5889. https://doi.org/10.1081/AGB-120016019