TY  - JOUR
AU  - M. Otelbaev
TI  - On the separability of elliptic operators
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 540
EP  - 543
VL  - 234
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_3_a9/
LA  - ru
ID  - DAN_1977_234_3_a9
ER  -