%0 Journal Article
%A K.H. Hofmann
%T From a topological theory of semigroup to a geometric one.
%J Semigroup forum
%D 1995
%P 123-134
%V 50
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1995__50_3_135373/
%F SF_1995__50_3_135373