%0 Journal Article
%A S. E. Kozlov
%T Stationary values of sectional curvature in Grassmanian manifolds of bivectors
%J Zapiski Nauchnykh Seminarov POMI
%D 1999
%P 102-118
%V 261
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1999_261_a7/
%G ru
%F ZNSL_1999_261_a7