TY  - JOUR
AU  - S. E. Kozlov
TI  - Stationary values of sectional curvature in Grassmanian manifolds of bivectors
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1999
SP  - 102
EP  - 118
VL  - 261
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1999_261_a7/
LA  - ru
ID  - ZNSL_1999_261_a7
ER  -