%0 Journal Article %A Ashraf, Mohammad %T Certain polynomial identities and commutativity of rings %J Mathematica slovaca %D 2000 %P 59-65 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2000__50_1_a5/ %G en %F MASLO_2000__50_1_a5