TY  - JOUR
AU  - A. V. Pogorelov
TI  - The rigidity of closed surfaces non-homeomorphic to a sphere in Riemannian space
JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 51
EP  - 52
VL  - 138
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a12/
LA  - ru
ID  - DAN_1961_138_1_a12
ER  -