TY  - JOUR
AU  - G. M. Kesel'man
TI  - A second order nonselfadjoint differential operator on the half axis
JO  - Differencialʹnye uravneniâ
PY  - 1969
SP  - 1700
EP  - 1714
VL  - 5
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1969_5_9_a15/
LA  - ru
ID  - DE_1969_5_9_a15
ER  -