TY  - JOUR
AU  - V. È. Lyantse
TI  - A non-selfadjoint differential operator of second order on a semi-axis
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 1030
EP  - 1033
VL  - 154
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_154_5_a6/
LA  - ru
ID  - DAN_1964_154_5_a6
ER  -