%0 Journal Article
%A G.h. Chen
%T A note on left cancellative semigroups without idempotents.
%J Semigroup forum
%D 1974
%P 278-282
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__9_134085/
%F SF_1974__9_134085