%0 Journal Article
%A N. Kehayopulu
%A M. Tsingelis
%T Pseudoorder in ordered semigroups.
%J Semigroup forum
%D 1995
%P 389-392
%V 50
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1995__50_3_135395/
%F SF_1995__50_3_135395