%0 Journal Article %A V. I. Yanchevskii %T Simple algebras with involution, and unitary groups %J Sbornik. Mathematics %D 1974 %P 372-385 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1974_22_3_a2/ %G en %F SM_1974_22_3_a2