%0 Journal Article %A S. A. Nazarov %T Asymptotics of trapped modes and eigenvalues below the continuous spectrum of a~waveguide with a~thin shielding obstacle %J Algebra i analiz %D 2011 %P 216-260 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2011_23_3_a7/ %G ru %F AA_2011_23_3_a7