TY - JOUR AU - A. O. Vatulyan AU - V. O. Yurov TI - Waves in a viscoelastic cylindrical waveguide with a defect JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2021 SP - 352 EP - 367 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2021_21_3_a7/ LA - ru ID - ISU_2021_21_3_a7 ER -