Quasi- and Weakly-Injective S-Systems
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M. Satyanarayana
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Article
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1976
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John Wiley and Sons
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English
β 459 KB
Following the pattern of the theory of modules over rings BERTHMUME [l] introduced as a generalization the concepts of injective and weakly injective S-systems and proved the existence of such S-systems. There are two more weaker forms hf injectivity called quasi-injectivitg [2] and divisibility. I