
We introduce the concept of pnBext projective abelian p-groups and show that they form a class which properly contains the class of all n-balanced projective p-groups. This somewhat enlarges a result due to Keef-Danchev in Houston J. Math. (2012).
сбалансированная проективность, n-сбалансированная проективность, pnBext проективность
сбалансированная проективность, n-сбалансированная проективность, pnBext проективность
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