@article{1102911969, author = {James, D. G.}, title = {Orthogonal groups of dyadic unimodular quadratic forms. II.}, journal = {Pacific J. Math.}, volume = {55}, number = {2}, year = {1974}, pages = { 425-441}, language = {en}, url = {http://dml.mathdoc.fr/item/1102911969} }
James, D. G. Orthogonal groups of dyadic unimodular quadratic forms. II.. Pacific J. Math., Tome 55 (1974) no. 2, pp. 425-441. http://gdmltest.u-ga.fr/item/1102911969/