%0 Journal Article
%A H. Grassmann
%T On factor S-sets of monoids modulo submonoids.
%J Semigroup forum
%D 1979
%P 163-172
%V 18
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1979__18_134349/
%F SF_1979__18_134349