%0 Journal Article
%A M. Sh. Birman
%A V. A. Sloushch
%T Discrete Spectrum of the Periodic Schrödinger Operator with a Variable Metric Perturbed by a Nonnegative Potential
%J Mathematical modelling of natural phenomena
%D 2010
%P 32-53
%V 5
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20105402/
%R 10.1051/mmnp/20105402
%G en
%F MMNP_2010_5_4_a2