%0 Journal Article
%A F. Li
%T The existence of identity of orthodox semigroup rings.
%J Semigroup forum
%D 1993
%P 27-31
%V 46
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1993__46_1_135206/
%F SF_1993__46_1_135206