%0 Journal Article
%A N. Kehayopulu
%A M. Tsingelis
%T A~note on semi-pseudoorders in semigroups
%J Lobachevskii journal of mathematics
%D 2003
%P 51-55
%V 13
%I mathdoc
%U http://geodesic.mathdoc.fr/item/LJM_2003_13_a5/
%G en
%F LJM_2003_13_a5