%0 Journal Article %A A. Nagy %T RC-commutative ...-semigroups. %J Semigroup forum %D 1992 %P 332-340 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__44_1_135156/ %G en %F SF_1992__44_1_135156