1. Voyt, S.S. and Sebekin, B.I., Some Hydrodynamic Models of Unsteady Wave Motions of the Tsunami Type, in Morskie gidrofizicheskie issledovaniya (Marine Hydrophysical Research), Sevastopol: Marine Hydrophysical Institute of the Ukrainian Acad. Sci., 1968, no. 1, pp. 137–145.
2. Babich, V.M., Buldyrev, V.S., and Molotkov, I.A., Prostranstvenno-vremennoi luchevoi metod: lineynye i nelineynye volny (The Space-Time RayMethod: Linear and NonlinearWaves), Leningrad University, 1985.
3. Dobrokhotov, S.Yu., Nekrasov, R.V., and Tirozzi, B., Asymptotic Solutions of the Linear Shallow-Water Equations with Localized Initial Data, J. Engin. Math., 2011, vol. 69, pp. 225–242.
4. Maslov, V.P., Teoriya vozmushchenii i asimptoticheskie metody (Perturbation Theory and Asymptotic Methods), Moscow: Moscow University, 1965.
5. Marchuk, An.G. and Vasiliev, G.S., The Fast Method for a Rough Tsunami Amplitude Estimation, Bull. Novosibirsk Comp. Center, Ser.: Math.Model. Geophys., Novosibirsk, 2014, vol. 17, pp. 21–34.