%0 Journal Article
%T On varieties of (n,m)-semigroups
%A I. Stojmenovska
%A D. Dimovski
%J International Journal of Algebra
%D 2012
%I 
%U http://www.m-hikari.com/ija/ija-2012/ija-13-16-2012/stojmenovskaIJA13-16-2012.pdf