TY  - JOUR
AU  - A. V. Pogorelov
TI  - On the isometric immersion of a two-dimensional Riemannian manifold homeomorphic to a sphere 

JO  - Doklady Akademii Nauk
PY  - 1961
SP  - 818
EP  - 820
VL  - 139
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a11/
LA  - ru
ID  - DAN_1961_139_4_a11
ER  -