TY - JOUR AU - I. Z. Golubchik AU - A. V. Mikhalev TI - Elementary subgroup of a unitary group over a PI-ring JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1985 SP - 30 EP - 36 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1985_1_a6/ LA - ru ID - VMUMM_1985_1_a6 ER -