%0 Journal Article %A Mohd,Quadri Murtaza A. %T Two commutativity results for rings %J Novi Sad Journal of Mathematics %D 1992 %P 107-110 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1992_22_1a_9/ %F NSJOM_1992_22_1a_9