%0 Journal Article
%A R.W. Yoh
%T Congruence relations on left canonic semigroups.
%J Semigroup forum
%D 1977
%P 175-184
%V 14
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1977__14_186366/
%F SF_1977__14_186366