@article{ISU_2021_21_3_a7,
     author = {A. O. Vatulyan and V. O. Yurov},
     title = {Waves in a viscoelastic cylindrical waveguide with a defect},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {352--367},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2021_21_3_a7/}
}