%0 Journal Article
%A G. Lallement
%T Semigroups and combinatorial applications - Perrot, J.F.
%J Semigroup forum
%D 1982
%P 385-390
%V 24
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1982__24_134559/
%F SF_1982__24_134559