%0 Journal Article %A S. E. Kozlov %T A Geometry of real Grassmannian manifolds. Part III %J Zapiski Nauchnykh Seminarov POMI %D 1997 %P 108-129 %V 246 %U http://geodesic.mathdoc.fr/item/ZNSL_1997_246_a5/ %G ru %F ZNSL_1997_246_a5