Dergiler / Hacettepe Journal of Mathematics and Statistics / 2016 / Cilt: 45 - Sayı: 3

Small supplements, weak supplements and proper classes

Engin BÜYÜKAŞIK, Yılmaz DUR?GUN, Rafail ALİZADE

Sayfa
649–661
DOI
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Abstract

Let $ \mathcal{S}\mathcal{S} $ denote the class of short exact sequences $E :0 \to A \bar{f}