%0 Journal Article %A Abujabal, H. A. S. %A Khan, M. A. %A Khan, M. S. %A Samman, M. S. %T On commutativity of rings with constraints on subsets %J Czechoslovak Mathematical Journal %D 1993 %P 439-449 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1993.128410/ %R 10.21136/CMJ.1993.128410 %G en %F 10_21136_CMJ_1993_128410