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[2] A. A. Kleshchev, “Against Phase Velocities of Elastic Waves in Thin Transversely Isotropic Cylindrical Shell,” Proceedings of the X session of the Russian Acoustical Society. M.: Geos, Vol. 1, 2000, pp. 206-210.
[3] A. A. Kleshchev, “Diffraction and propagation of waves in Elastic Mediums and Bodies,” Vlas, S.-Pb., 2002, p. 156.
[4] A. A. Kleshchev, “Diffraction, Radiation and Propagation of Elastic Waves,” Profprint, S.-Pb., 2006, p. 160.
[5] E. L. Shenderov, “Radiation and Scattering of Sound,” L.: Shipbuilding, 1989, p. 302.