%0 Journal Article %A N. Kehayopulu %A Kiriakuli P. %A S. Hanumantha Rao %A P. Lakshmi %T On weakly commutative poe-semigroups. %J Semigroup forum %D 1990 %P 373-376 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1990__41_2_135060/ %F SF_1990__41_2_135060