@article{1261147951, author = {NAKAMURA, Yoshio}, title = {On Witt ring of quadratIc forms.}, journal = {J. Math. Soc. Japan}, volume = {12}, number = {4}, year = {1960}, pages = { 187-191}, language = {en}, url = {http://dml.mathdoc.fr/item/1261147951} }
NAKAMURA, Yoshio. On Witt ring of quadratIc forms.. J. Math. Soc. Japan, Tome 12 (1960) no. 4, pp. 187-191. http://gdmltest.u-ga.fr/item/1261147951/