%0 Journal Article %A Adjaero, Isabelle %A Spiegel, Eugene %T On the Uniqueness of the Coefficient Ring in a Group Ring %J Canadian journal of mathematics %D 1983 %P 654-673 %V 35 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1983-037-0/ %R 10.4153/CJM-1983-037-0 %F 10_4153_CJM_1983_037_0