%0 Journal Article
%A A. Umar
%T Semigroups of order-decreasing transformations: the isomorphism theorem.
%J Semigroup forum
%D 1996
%P 220-224
%V 53
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1996__53_2_135486/
%F SF_1996__53_2_135486