TY  - JOUR
AU  - Peňa, Simón
TI  - Discrete spectra criteria for singular difference operators
JO  - Mathematica Bohemica
PY  - 1999
SP  - 35
EP  - 44
VL  - 124
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1999.125980/
DO  - 10.21136/MB.1999.125980
LA  - en
ID  - 10_21136_MB_1999_125980
ER  -