TY  - JOUR
AU  - V. A. Toponogov
TI  - Riemannian spaces having their curvature bounded below by a positive number
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 719
EP  - 721
VL  - 120
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_120_4_a8/
LA  - ru
ID  - DAN_1958_120_4_a8
ER  -