@article{1255989129, author = {Wiegand, Roger}, title = {Nilpotent elements in Grothendieck rings}, journal = {Illinois J. Math.}, volume = {32}, number = {4}, year = {1988}, pages = { 246-262}, language = {en}, url = {http://dml.mathdoc.fr/item/1255989129} }
Wiegand, Roger. Nilpotent elements in Grothendieck rings. Illinois J. Math., Tome 32 (1988) no. 4, pp. 246-262. http://gdmltest.u-ga.fr/item/1255989129/