%0 Journal Article
%A S. L. Tabachnikov
%T Characteristic classes of parabolic fiberings of the series $B$, $C$, and $D$, and the degrees of isotropic Grassmanians
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1986
%P 84-85
%V 20
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1986_20_2_a22/
%G ru
%F FAA_1986_20_2_a22