@article{1183524155, author = {Klingenberg, Wilhelm}, title = {Orthogonal groups over local rings}, journal = {Bull. Amer. Math. Soc.}, volume = {67}, number = {6}, year = {1961}, pages = { 291-297}, language = {en}, url = {http://dml.mathdoc.fr/item/1183524155} }
Klingenberg, Wilhelm. Orthogonal groups over local rings. Bull. Amer. Math. Soc., Tome 67 (1961) no. 6, pp. 291-297. http://gdmltest.u-ga.fr/item/1183524155/