@article{1102699106, author = {Powers, Victoria}, title = {Characterizing reduced Witt rings of higher level.}, journal = {Pacific J. Math.}, volume = {130}, number = {2}, year = {1987}, pages = { 333-347}, language = {en}, url = {http://dml.mathdoc.fr/item/1102699106} }
Powers, Victoria. Characterizing reduced Witt rings of higher level.. Pacific J. Math., Tome 130 (1987) no. 2, pp. 333-347. http://gdmltest.u-ga.fr/item/1102699106/