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@article{AL_1970_9_2_a2, author = {I. S. Klein and A. V. Mikhalev}, title = {The orthogonal {Steinberg} group over a ring with involution}, journal = {Algebra i logika}, pages = {145--166}, publisher = {mathdoc}, volume = {9}, number = {2}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1970_9_2_a2/} }
I. S. Klein; A. V. Mikhalev. The orthogonal Steinberg group over a ring with involution. Algebra i logika, Tome 9 (1970) no. 2, pp. 145-166. http://geodesic.mathdoc.fr/item/AL_1970_9_2_a2/