%0 Journal Article %A M. Yu. Nikanorova %T Classification of two-dimensional totally geodesic submanifolds in the Grassmannian $G_{3,6}^+$ %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 162-180 %V 353 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_353_a15/ %G ru %F ZNSL_2008_353_a15