TY - JOUR AU - Leonid N. Vaserstein TI - Normal subgroups of classical groups over Banach algebras. JO - Commentarii mathematici Helvetici PY - 1988 SP - 103 EP - 107 VL - 63 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1988__63_4_140111/ ID - CMH_1988__63_4_140111 ER -