TY - JOUR AU - S. N. Lakaev AU - T. H. Rasulov TI - A Model in the Theory of Perturbations of the Essential Spectrum of Multiparticle Operators JO - Matematičeskie zametki PY - 2003 SP - 556 EP - 564 VL - 73 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2003_73_4_a6/ LA - ru ID - MZM_2003_73_4_a6 ER -