TY - JOUR AU - S. E. Kozlov TI - Stationarity of curvature of two-dimensional totally geodesic submanifolds in the Grassmannian of bevectors JO - Zapiski Nauchnykh Seminarov POMI PY - 2001 SP - 175 EP - 185 VL - 280 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2001_280_a11/ LA - ru ID - ZNSL_2001_280_a11 ER -