%0 Journal Article %A I. Z. Golubchik %A A. V. Mikhalev %T Isomorphism of unitary groups over associative rings %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 97-109 %V 132 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_132_a11/ %G ru %F ZNSL_1983_132_a11