%0 Journal Article %A V. A. Sloushch %T Discrete spectrum of the periodic Schrödinger operator with a variable metric perturbed by a nonnegative rapidly decaying potential %J Algebra i analiz %D 2015 %P 196-210 %V 27 %N 2 %U http://geodesic.mathdoc.fr/item/AA_2015_27_2_a6/ %G ru %F AA_2015_27_2_a6