%0 Journal Article
%A P.M. Higgins
%T Epis are onto for generalized inverse semigroups.
%J Semigroup forum
%D 1981
%P 255-260
%V 23
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1981__23_134518/
%F SF_1981__23_134518