TY  - JOUR
AU  - M. Ya. Azbel'
TI  - On the spectrum of difference equations with periodic coefficients
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 703
EP  - 706
VL  - 159
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_159_4_a0/
LA  - ru
ID  - DAN_1964_159_4_a0
ER  -