TY  - JOUR
AU  - Sh. A. Alimov
TI  - Fractional powers of elliptic operators and isomorphism of classes of differentiable functions
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 1609
EP  - 1626
VL  - 8
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_9_a8/
LA  - ru
ID  - DE_1972_8_9_a8
ER  -