TY  - JOUR
AU  - A. F. Leont'ev
TI  - On a complement to Hadamard’s theorem
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 1049
EP  - 1051
VL  - 206
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_206_5_a5/
LA  - ru
ID  - DAN_1972_206_5_a5
ER  -