%0 Journal Article
%A S. Schwarz
%T Powers of subsets in a finite semigroup.
%J Semigroup forum
%D 1995
%P 1-22
%V 51
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1995__51_1_135396/
%F SF_1995__51_1_135396