Anikin, A. Yu.; Dobrokhotov, S. Yu.; Nazaikinskii, V. E.; Tsvetkova, A. V. Nonstandard Liouville tori and caustics in asymptotics in the form of Airy and Bessel functions for 2D standing coastal waves. (English. Russian original) Zbl 1485.35307 St. Petersbg. Math. J. 33, No. 2, 185-205 (2022); translation from Algebra Anal. 33, No. 2, 5-34 (2021). MSC: 35P20 35B40 35J25 PDFBibTeX XMLCite \textit{A. Yu. Anikin} et al., St. Petersbg. Math. J. 33, No. 2, 185--205 (2022; Zbl 1485.35307); translation from Algebra Anal. 33, No. 2, 5--34 (2021) Full Text: DOI
Dobrokhotov, S. Yu.; Nazaĭkinskiĭ, V. E.; Tirozzi, B. Asymptotic solutions of the two-dimensional model wave equation with degenerating velocity and localized initial data. (English. Russian original) Zbl 1230.35057 St. Petersbg. Math. J. 22, No. 6, 895-911 (2011); translation from Algebra Anal. 22, No. 6, 67-90 (2010). MSC: 35L15 35C20 78A05 PDFBibTeX XMLCite \textit{S. Yu. Dobrokhotov} et al., St. Petersbg. Math. J. 22, No. 6, 895--911 (2011; Zbl 1230.35057); translation from Algebra Anal. 22, No. 6, 67--90 (2010) Full Text: DOI