%0 Journal Article %A A. O. Vatulyan %A V. O. Yurov %T Waves in a viscoelastic cylindrical waveguide with a defect %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2021 %P 352-367 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2021_21_3_a7/ %G ru %F ISU_2021_21_3_a7