%0 Journal Article
%A Thomas Nordahl
%T Semigroups satisfying (xy)m = xmym .
%J Semigroup forum
%D 1974
%P 332-346
%V 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1974__8_134051/
%F SF_1974__8_134051