%0 Journal Article %A Parmenter, M. M. %T Isomorphic Group Rings %J Canadian mathematical bulletin %D 1975 %P 567-576 %V 18 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-101-3/ %R 10.4153/CMB-1975-101-3 %F 10_4153_CMB_1975_101_3