TY - JOUR AU - A. M. Golovina TI - The discrete spectrum of operators with two distant perturbations JO - Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika PY - 2011 SP - 37 EP - 45 IS - 14 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VCHGU_2011_14_a3/ LA - ru ID - VCHGU_2011_14_a3 ER -