%0 Journal Article %A L. N. Vaserstein %T Stabilization of unitary and orthogonal groups over a~ring with involution %J Sbornik. Mathematics %D 1970 %P 307-326 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1970_10_3_a1/ %G en %F SM_1970_10_3_a1