TY  - JOUR
AU  - V. A. Chernyatin
TI  - Necessary and sufficient conditions for existence of the classical
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 1080
EP  - 1083
VL  - 287
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_287_5_a12/
LA  - ru
ID  - DAN_1986_287_5_a12
ER  -