TY  - JOUR
AU  - K. N. Ospanov
TI  - Discreteness and estimates of spectrum of a first order difference operator
JO  - Eurasian mathematical journal
PY  - 2018
SP  - 89
EP  - 94
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EMJ_2018_9_2_a9/
LA  - en
ID  - EMJ_2018_9_2_a9
ER  -