Studio di una classe notevole di anelli dotata di inverso generalizzato
AbstractWe study a remarkable class of rings, which we call corpids, that is the rings, different from zero, (K;+; .); such that (K; .) is an inverse semi-group (or groupid, which is the name given by G. Tallini ). The inverse semigroup has been deﬁned and called generalized group, indipendently by Viktor Vladimirovich Vagner  in the Soviet Union and by Gordon Preston in the Great Britain .
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