%0 Journal Article %A S. A. Nazarov %A K. M. Ruotsalainen %A P. J. Uusitalo %T Scattering coefficients and threshold resonances in a waveguide with inflating resonator %J Zapiski Nauchnykh Seminarov POMI %D 2021 %P 175-209 %V 506 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2021_506_a12/ %G ru %F ZNSL_2021_506_a12