For citations:
Kasatkin B.A., Zlobina N.V., Statsenko L.G., Kasatkin S.B. Non-self-adjoint model statement of boundary problem of acoustics. Part 1. Fundamental and Applied Hydrophysics. 2023;16(2):111-125. (In Russ.) https://doi.org/10.59887/2073-6673.2023.16(2)-8