TY  - JOUR
AU  - V. F. Gaposhkin
TI  - On the critical-point principle in Banach spaces
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 716
EP  - 719
VL  - 145
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_145_4_a3/
LA  - ru
ID  - DAN_1962_145_4_a3
ER  -