%0 Journal Article
%A J. Almeida
%T Some quasi-ordered classes of finite commutative semigroups.
%J Semigroup forum
%D 1985
%P 189-200
%V 32
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1985__32_134779/
%F SF_1985__32_134779