TY - JOUR AU - S. A. Nazarov TI - Asymptotics of trapped modes and eigenvalues below the continuous spectrum of a~waveguide with a~thin shielding obstacle JO - Algebra i analiz PY - 2011 SP - 216 EP - 260 VL - 23 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2011_23_3_a7/ LA - ru ID - AA_2011_23_3_a7 ER -