1. S. D. Chuprov, in Ocean Acoustics, Modern State (Nauka, Moscow, 1982), p. 71 [in Russian].
2. G. N. Kuznetsov and A. N. Stepanov, Phys. Wave Phenom. 29, 285 (2021).
3. L. M. Brekhovskikh, Waves in Layered Media (Nauka, Moscow, 1973; Academic, New York, 1980).
4. G. N. Kuznetsov and A. N. Stepanov, Vector–Scalar Fields of Multipole Hydroacoustic Sources Equivalent to Noise Emission from Marine Objects (Buki-Vedi, Moscow, 2022) [in Russian].