TY  - JOUR
AU  - I. V. Gel'man
TI  - On stable solvable extensions of partial differential operators
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 279
EP  - 281
VL  - 163
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_163_2_a0/
LA  - ru
ID  - DAN_1965_163_2_a0
ER  -