TY  - JOUR
AU  - I. V. Aliev
AU  - S. Ya. Yakubov
TI  - Second-order differential-operator equations with discrete spectrum on the whole axis
JO  - Matematičeskie zametki
PY  - 1981
SP  - 187
EP  - 196
VL  - 30
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1981_30_2_a4/
LA  - ru
ID  - MZM_1981_30_2_a4
ER  -