TY - JOUR AU - L. A. Tolokonnikov AU - A. E. Belkin TI - Determination of the inhomogeneity laws of a cylinder covering located in a plane waveguide for providing minimum sound reflection JO - Čebyševskij sbornik PY - 2020 SP - 354 EP - 368 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2020_21_4_a29/ LA - ru ID - CHEB_2020_21_4_a29 ER -