Ф - cofinitely supplemented modules
Let R be a ring with identity and M a unitary right 7f-module. M is called //-cofinitely supplemented if for every cofînite submodule A of M, there exists a direct summand A 1 of M such that M = A + X holds if and only if M = A 1 + X , and M is called
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- Ankara Üniversitesi Communications, Series A1:Mathematics and Statistics