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@article{JRAM_1964__213_150592, author = {C.T.C. Wall}, title = {On the orthogonal groups of unimodular quadratic forms. {II.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {122--136}, publisher = {mathdoc}, volume = {213}, year = {1964}, zbl = {0135.08802}, url = {http://geodesic.mathdoc.fr/item/JRAM_1964__213_150592/} }
C.T.C. Wall. On the orthogonal groups of unimodular quadratic forms. II.. Journal für die reine und angewandte Mathematik, Tome 213 (1964), pp. 122-136. http://geodesic.mathdoc.fr/item/JRAM_1964__213_150592/