@article{GDZPPN002218712, title = {Nilpotent Elements in Group Rings.}, journal = {Manuscripta mathematica}, volume = {17}, year = {1975}, pages = {65-80}, zbl = {0302.16010}, url = {http://dml.mathdoc.fr/item/GDZPPN002218712} }
Sehgal, Sudarshan K. Nilpotent Elements in Group Rings.. Manuscripta mathematica, Tome 17 (1975) pp. 65-80. http://gdmltest.u-ga.fr/item/GDZPPN002218712/