%0 Journal Article %A V. I. Yanchevskii %T Reduced unitary $K$-theory. Aplications to algebraic groups %J Sbornik. Mathematics %D 1981 %P 533-548 %V 38 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1981_38_4_a5/ %G en %F SM_1981_38_4_a5