@article{1102806841, author = {Ware, Roger}, title = {When are Witt rings group rings? II.}, journal = {Pacific J. Math.}, volume = {79}, number = {2}, year = {1978}, pages = { 541-564}, language = {en}, url = {http://dml.mathdoc.fr/item/1102806841} }
Ware, Roger. When are Witt rings group rings? II.. Pacific J. Math., Tome 79 (1978) no. 2, pp. 541-564. http://gdmltest.u-ga.fr/item/1102806841/