TY  - JOUR
AU  - S. G. Gindikin
TI  - Differential operators with real characteristics of high order
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 1037
EP  - 1040
VL  - 204
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_204_5_a2/
LA  - ru
ID  - DAN_1972_204_5_a2
ER  -