%0 Journal Article %A R. M. Geidel'man %T Differential geometry of families of subspaces in multidimensional homogeneous spaces %J Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya %D 1967 %P 323-374 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTA_1967_a8/ %G ru %F INTA_1967_a8