%0 Journal Article
%A M.S. Putcha
%A A. Yaqub
%T Semigroups satisfying permutation identities.
%J Semigroup forum
%D 1971
%P 68-73
%V 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1971__3_133846/
%F SF_1971__3_133846