TY  - JOUR
AU  - S. A. Rakov
TI  - $C$-convexity and the ``problem of there spaces''
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 303
EP  - 305
VL  - 228
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_228_2_a11/
LA  - ru
ID  - DAN_1976_228_2_a11
ER  -