TY  - JOUR
AU  - N. D. Lebedeva
TI  - On isometric immersion of closed manifolds of nonnegative curvature
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1999
SP  - 187
EP  - 193
VL  - 261
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1999_261_a12/
LA  - ru
ID  - ZNSL_1999_261_a12
ER  -