TY  - JOUR
AU  - L. A. Malozemov
TI  - Unstable points of the spectrum of a periodic difference operator
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1989
SP  - 87
EP  - 88
VL  - 23
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1989_23_4_a12/
LA  - ru
ID  - FAA_1989_23_4_a12
ER  -