%0 Journal Article %A Sudarshan K. Sehgal %T Nilpotent Elements in Group Rings. %J Manuscripta mathematica %D 1975 %P 65-80 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1975__15_154307/ %F MM2_1975__15_154307