TY  - JOUR
AU  - M. Sh. Birman
AU  - V. A. Sloushch
TI  - Discrete Spectrum of the Periodic Schrödinger Operator with a Variable Metric Perturbed by a Nonnegative Potential
JO  - Mathematical modelling of natural phenomena
PY  - 2010
SP  - 32
EP  - 53
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20105402/
DO  - 10.1051/mmnp/20105402
LA  - en
ID  - MMNP_2010_5_4_a2
ER  -