%0 Journal Article
%A R.S. Pierce
%T Arithmetic Properties of certain partially ordered Semigeroups.
%J Semigroup forum
%D 1975
%P 115-129
%V 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1975__11_134133/
%F SF_1975__11_134133