TY  - JOUR
AU  - A. G. Kamenskii
TI  - Qualitative investigation of the spectra of differential-difference operators
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 1249
EP  - 1251
VL  - 225
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_225_6_a2/
LA  - ru
ID  - DAN_1975_225_6_a2
ER  -