TY - JOUR AU - M. M. Skriganov AU - A. V. Sobolev TI - On the spectrum of polyharmonic operators with limit-periodic potentials JO - Algebra i analiz PY - 2005 SP - 164 EP - 189 VL - 17 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2005_17_5_a5/ LA - ru ID - AA_2005_17_5_a5 ER -