TY  - JOUR
AU  - I. I. Golichev
TI  - The existence of a point of regularity and the spectrum of a second order nonselfadjoint differential operator
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 2051
EP  - 2057
VL  - 7
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_11_a13/
LA  - ru
ID  - DE_1971_7_11_a13
ER  -