TY  - JOUR
AU  - V. P. Orlov
TI  - Higher order singularly degenerate differential operators with unbounded operator coefficients
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 272
EP  - 280
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_2_a9/
LA  - ru
ID  - DE_1976_12_2_a9
ER  -