%0 Journal Article
%A V. P. Kostov
%A B. Z. Shapiro
%T The flags in $\mathbf{R}^3$, transversal to a given set of flags, form an $M$-manifold
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1989
%P 26-30
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1989_5_a6/
%G ru
%F VMUMM_1989_5_a6