%0 Journal Article %A Ren, Xue %A Shum, Kar-Ping %T A structure theorem for right pp-semigroups with left central idempotents %J Discussiones Mathematicae. General Algebra and Applications %D 2000 %P 63-75 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2000_20_1_a5/ %G en %F DMGAA_2000_20_1_a5