%0 Journal Article
%A E.D. Ljapin
%T Identities valid globally in semigroups.
%J Semigroup forum
%D 1982
%P 263-270
%V 24
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1982__24_134551/
%F SF_1982__24_134551