TY  - JOUR
AU  - Yu. Ya. Kim
TI  - On the spectrum of a differential operator connected with a mixed problem
JO  - Differencialʹnye uravneniâ
PY  - 1967
SP  - 109
EP  - 113
VL  - 3
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1967_3_1_a10/
LA  - ru
ID  - DE_1967_3_1_a10
ER  -