Pyatkov, S. G.; Neustroeva, L. V. On some asymptotic representations of solutions to elliptic equations and their applications. (English) Zbl 1467.35114 Complex Var. Elliptic Equ. 66, No. 6-7, 964-987 (2021). Reviewer: Dumitru Motreanu (Perpignan) MSC: 35J08 35J05 35R30 PDF BibTeX XML Cite \textit{S. G. Pyatkov} and \textit{L. V. Neustroeva}, Complex Var. Elliptic Equ. 66, No. 6--7, 964--987 (2021; Zbl 1467.35114) Full Text: DOI OpenURL
Grigor’eva, N. S. Estimation of the field in the shadow zone for diffraction of a spherical wave by a convex, infinitely differentiable surface. (English) Zbl 0401.35024 J. Sov. Math. 11, 424-441 (1979). MSC: 35J05 35B99 35B45 PDF BibTeX XML Cite \textit{N. S. Grigor'eva}, J. Sov. Math. 11, 424--441 (1979; Zbl 0401.35024) Full Text: DOI OpenURL
Babich, V. M.; Grigor’eva, N. S. Asymptotic properties of solutions to some three-dimensional wave problems. (English) Zbl 0401.35023 J. Sov. Math. 11, 372-413 (1979). MSC: 35J05 35B40 PDF BibTeX XML Cite \textit{V. M. Babich} and \textit{N. S. Grigor'eva}, J. Sov. Math. 11, 372--413 (1979; Zbl 0401.35023) Full Text: DOI OpenURL
Babich, V. M. A high-frequency point source of oscillations near a concave mirror. (English) Zbl 0401.35022 J. Sov. Math. 11, 361-371 (1979). MSC: 35J05 35B05 35B40 35P25 PDF BibTeX XML Cite \textit{V. M. Babich}, J. Sov. Math. 11, 361--371 (1979; Zbl 0401.35022) Full Text: DOI OpenURL
Grigor’eva, N. S. Ursell’s approach to obtaining an a priori estimate for the solution of the Neumann problem for the Helmholtz equation. (English) Zbl 0396.35005 J. Sov. Math. 9, 479-543 (1978). MSC: 35B45 35J10 35A08 PDF BibTeX XML Cite \textit{N. S. Grigor'eva}, J. Sov. Math. 9, 479--543 (1978; Zbl 0396.35005) Full Text: DOI OpenURL
Filippov, V. B. Rigorous justification of the shortwave asymptotic theory of diffraction in the shadow zone. (English) Zbl 0375.35017 J. Sov. Math. 6, 577-626 (1976). MSC: 35J10 35B99 PDF BibTeX XML Cite \textit{V. B. Filippov}, J. Sov. Math. 6, 577--626 (1976; Zbl 0375.35017) Full Text: DOI OpenURL
Babich, V. M. The strict justification of the short-wave approximation in the three- dimensional case. (English. Russian original) Zbl 0391.35025 J. Sov. Math. 6, 488-509 (1976); translation from Zap. Nauchn. Sem. Leningr. Otd. Mat. Inst. Steklov 34, 23-51 (1973). MSC: 35J25 35B45 PDF BibTeX XML Cite \textit{V. M. Babich}, J. Sov. Math. 6, 488--509 (1973; Zbl 0391.35025); translation from Zap. Nauchn. Sem. Leningr. Otd. Mat. Inst. Steklov 34, 23--51 (1973) Full Text: DOI OpenURL