TY  - JOUR
AU  - S. A. Smagin
TI  - Fractional powers of a hypoelliptic operator in $\mathbf{R}^n$
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 1033
EP  - 1035
VL  - 209
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_209_5_a7/
LA  - ru
ID  - DAN_1973_209_5_a7
ER  -