TY - JOUR AU - V. A. Sloushch TI - Discrete spectrum of the periodic Schr\"odinger operator with a~variable metric perturbed by a~nonnegative rapidly decaying potential JO - Algebra i analiz PY - 2015 SP - 196 EP - 210 VL - 27 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2015_27_2_a6/ LA - ru ID - AA_2015_27_2_a6 ER -