TY - JOUR AU - I. Z. Golubchik TI - On normal subgroups of the orthogonal group over an associative ring with involution JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1975 VL - 30 IS - 6 UR - http://geodesic.mathdoc.fr/item/RM_1975_30_6_a9/ LA - ru ID - RM_1975_30_6_a9 ER -