%0 Journal Article %A B. Yu. Weisfeiler %T Semisimple algebraic groups which are split over a~quadratic extension %J Izvestiya. Mathematics %D 1971 %P 57-72 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1971_5_1_a3/ %G en %F IM2_1971_5_1_a3