TY  - JOUR
AU  - I. A. Kipriyanov
TI  - The fractional differentiation operator and powers of elliptic operators
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 238
EP  - 241
VL  - 131
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_131_2_a4/
LA  - ru
ID  - DAN_1960_131_2_a4
ER  -