%0 Journal Article
%A B.M. Schein
%A E.N. Roiz
%T Radicals of semigroups.
%J Semigroup forum
%D 1978
%P 299-344
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1978__16_134291/
%F SF_1978__16_134291