TY  - JOUR
AU  - M. I. Serov
TI  - Certain properties of the spectrum of a non-selfadjoint differential operator of the second order
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 27
EP  - 29
VL  - 131
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_131_1_a5/
LA  - ru
ID  - DAN_1960_131_1_a5
ER  -