TY - JOUR AU - L. A. Tolokonnikov TI - Scattering of sound waves by an cylinder with an radial non-uniform elastic coating in a~planar waveguide JO - Čebyševskij sbornik PY - 2019 SP - 272 EP - 283 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2019_20_1_a16/ LA - ru ID - CHEB_2019_20_1_a16 ER -