TY  - JOUR
AU  - M. A. Shubin
TI  - The Favard--Muhamadiev theory and pseudo-differential operators
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 1278
EP  - 1280
VL  - 225
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_225_6_a10/
LA  - ru
ID  - DAN_1975_225_6_a10
ER  -