%0 Journal Article %A Bell, Howard E. %T A Commutativity Theorem for Near-Rings %J Canadian mathematical bulletin %D 1977 %P 25-28 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1977-004-5/ %R 10.4153/CMB-1977-004-5 %F 10_4153_CMB_1977_004_5