TY  - JOUR
AU  - S. M. Tashpulatov
TI  - Structure of essential spectrum and discrete spectra of the

JO  - Dalʹnevostočnyj matematičeskij žurnal
PY  - 2023
SP  - 112
EP  - 133
VL  - 23
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DVMG_2023_23_1_a9/
LA  - en
ID  - DVMG_2023_23_1_a9
ER  -