Solonnikov, V. A.; Frolova, E. V. Investigation of a problem for the Laplace equation with a boundary condition of special form in a planar angle. (Russian. English summary) Zbl 0734.35025 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 182, 149-167 (1990). Reviewer: O.John (Praha) MSC: 35J25 35J05 35A22 PDFBibTeX XMLCite \textit{V. A. Solonnikov} and \textit{E. V. Frolova}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 182, 149--167 (1990; Zbl 0734.35025) Full Text: EuDML
Budaev, B. V. Diffraction of elastic waves by a free wedge. Reduction to a singular integral equation. (Russian. English summary) Zbl 0706.73023 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 179, 37-45 (1989). Reviewer: D.Stanomir MSC: 74J20 35J05 35C15 PDFBibTeX XMLCite \textit{B. V. Budaev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 179, 37--45 (1989; Zbl 0706.73023) Full Text: EuDML
Terman, D. Ya. Splitting the spectrum of the Laplace operator in an ellipse with cuts. (Russian. English summary) Zbl 0701.35117 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 179, 173-178 (1989). MSC: 35P05 35J05 PDFBibTeX XMLCite \textit{D. Ya. Terman}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 179, 173--178 (1989; Zbl 0701.35117) Full Text: EuDML
Yanson, Z. A. High-frequency asymptotics of solutions of the Helmholtz equation in a region of caustic shadow. II. (Russian) Zbl 0697.35034 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 165, 182-188 (1987). Reviewer: I.Aganović MSC: 35J05 PDFBibTeX XMLCite \textit{Z. A. Yanson}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 165, 182--188 (1987; Zbl 0697.35034) Full Text: EuDML
Zalipaev, V. V.; Popov, M. M. Short-wave grazing scattering of a planar wave at a smooth periodic boundary. I: Diffraction of a half-shadow field of a smooth convex contour. (Russian. English summary) Zbl 0665.35058 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 165, 59-90 (1987). MSC: 35P25 78A45 35J05 PDFBibTeX XMLCite \textit{V. V. Zalipaev} and \textit{M. M. Popov}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 165, 59--90 (1987; Zbl 0665.35058) Full Text: EuDML
Kolotilina, L. Yu. Explicit overconditioning of systems of linear algebraic equations with dense matrices. (Russian) Zbl 0621.65041 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 154, 90-100 (1986). Reviewer: V.Suchánková-Marsiková MSC: 65F35 65F10 65N12 35J05 PDFBibTeX XMLCite \textit{L. Yu. Kolotilina}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 154, 90--100 (1986; Zbl 0621.65041) Full Text: EuDML
Yanson, Z. A. Asymptotics of solutions of the Helmholtz equation in the region of caustic shadow. I. (Russian. English summary) Zbl 0554.35026 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 128, 172-185 (1983). Reviewer: I.Aganović MSC: 35J05 35B40 78A45 PDFBibTeX XMLCite \textit{Z. A. Yanson}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 128, 172--185 (1983; Zbl 0554.35026) Full Text: EuDML
Faddeev, M. D. Asymptotics of the Green function for the Neumann problem near a point of the boundary. (Russian) Zbl 0522.35030 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 131, 142-147 (1983). MSC: 35J05 35J67 35B40 PDFBibTeX XMLCite \textit{M. D. Faddeev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 131, 142--147 (1983; Zbl 0522.35030) Full Text: EuDML
Buldyrev, V. S.; Grigor’eva, N. S. Two-scale decompositions of quasi-normal waves in irregular refractive wave guides and an estimation of their applicability for high frequencies. (Russian) Zbl 0478.35031 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 78-97 (1981). MSC: 35J05 35C99 78A40 PDFBibTeX XMLCite \textit{V. S. Buldyrev} and \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 78--97 (1981; Zbl 0478.35031) Full Text: EuDML
Lazutkin, V. F.; Terman, D. Ya. On the number of quasi-modes of the type ”bouncing ball”. (Russian) Zbl 0477.35070 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 172-182 (1981). MSC: 35P10 35J05 PDFBibTeX XMLCite \textit{V. F. Lazutkin} and \textit{D. Ya. Terman}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 172--182 (1981; Zbl 0477.35070) Full Text: EuDML
Kubanskaya, A. P. Convergence of order \(h^{2p-1}\) for a (2p+1)-point scheme of the method of lines for a certain boundary value problem. (Russian) Zbl 0459.65083 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 90, 39-45 (1979). MSC: 65N40 35J05 PDFBibTeX XMLCite \textit{A. P. Kubanskaya}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 90, 39--45 (1979; Zbl 0459.65083) Full Text: EuDML
Babich, V. M. The focussing problem and asymptotics of the spectral function of Laplace-Beltrami operator. II. (Russian) Zbl 0427.35052 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 89, 14-53 (1979). MSC: 35P20 35P15 35J05 35B05 PDFBibTeX XMLCite \textit{V. M. Babich}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 89, 14--53 (1979; Zbl 0427.35052) Full Text: EuDML
Kirpichnikova, N. Ya. On uniform asymptotic expansions of whispering gallery eigenfunctions. (Russian) Zbl 0427.35048 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 89, 112-119 (1979). MSC: 35P20 35J05 PDFBibTeX XMLCite \textit{N. Ya. Kirpichnikova}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 89, 112--119 (1979; Zbl 0427.35048) Full Text: EuDML
Proskurin, N. V. Sum formulas for general Kloosterman sums. (Russian) Zbl 0425.10027 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 82, 103-135 (1979). MSC: 11F12 11L03 PDFBibTeX XMLCite \textit{N. V. Proskurin}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 82, 103--135 (1979; Zbl 0425.10027) Full Text: EuDML
Doorokhotov, S. Yu.; Maslov, V. P. Resonance phenomena in the nonlinear equation of a proper semiconductor \(h\Delta u=shu\). (Russian) Zbl 0414.35066 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 84, 35-44 (1979). MSC: 35Q99 58J32 PDFBibTeX XMLCite \textit{S. Yu. Doorokhotov} and \textit{V. P. Maslov}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 84, 35--44 (1979; Zbl 0414.35066) Full Text: EuDML
Babich, V. M.; Levitan, B. M. The focussing problem and asymptotic behavior of the spectral function of the Laplace-Beltrami operator. (Russian) Zbl 0427.35051 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 3-19 (1978). MSC: 35P20 35P15 35J05 35B05 PDFBibTeX XMLCite \textit{V. M. Babich} and \textit{B. M. Levitan}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 3--19 (1978; Zbl 0427.35051) Full Text: EuDML
Kurylev, Ya. V. On the boundary conditions on a line for the threedimensional Laplacian. (Russian) Zbl 0427.35032 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 112-127 (1978). MSC: 35J67 35J05 PDFBibTeX XMLCite \textit{Ya. V. Kurylev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 112--127 (1978; Zbl 0427.35032) Full Text: EuDML
Nikolaev, B. G. On one way of construction of solutions for plane noncoaxial ring domains. (Russian) Zbl 0427.35027 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 174-183 (1978). MSC: 35J05 35B20 PDFBibTeX XMLCite \textit{B. G. Nikolaev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 174--183 (1978; Zbl 0427.35027) Full Text: EuDML
Kurylev, Ya. V. A shortwave source near the smooth convex surface and a spectral function of the Laplacian on a Riemannian manifold. (Russian) Zbl 0427.35026 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 128-133 (1978). MSC: 35J05 35P20 PDFBibTeX XMLCite \textit{Ya. V. Kurylev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 78, 128--133 (1978; Zbl 0427.35026) Full Text: EuDML
Kubanskaya, A. P. An application of a multi-point difference-differential scheme to a boundary value problem. (Russian) Zbl 0429.65105 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 70, 76-88 (1977). MSC: 65N40 65N15 35J05 65D07 PDFBibTeX XMLCite \textit{A. P. Kubanskaya}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 70, 76--88 (1977; Zbl 0429.65105) Full Text: EuDML
Barantsev, R. G.; Grudtsyn, V. V. The asymptotic behaviour of the Fourier coefficients in the scattering problem by the contours \(r=(1+\beta\;\cos \varphi)\gamma\). (Russian) Zbl 0333.35059 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 27-38 (1976). MSC: 35P25 35J05 35B40 PDFBibTeX XMLCite \textit{R. G. Barantsev} and \textit{V. V. Grudtsyn}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 27--38 (1976; Zbl 0333.35059) Full Text: EuDML
Nikolaev, B. G.; Krasavin, V. G. On the character of the diffracted wave field of a point source in the neighbourhood of an opaque circular cone. (Russian) Zbl 0333.35026 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 192-196 (1976). MSC: 35J05 65M99 65N99 PDFBibTeX XMLCite \textit{B. G. Nikolaev} and \textit{V. G. Krasavin}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 192--196 (1976; Zbl 0333.35026) Full Text: EuDML
Nikolaev, B. G. On the wave processes of a ring point source coaxal with opaque semi- infinite circular cone. (Russian) Zbl 0333.35025 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 168-191 (1976). MSC: 35J05 35A22 PDFBibTeX XMLCite \textit{B. G. Nikolaev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 168--191 (1976; Zbl 0333.35025) Full Text: EuDML
Babich, V. M.; Grigor’eva, N. S. The non-spectral singularities of the Green function for the Helmholtz equation in the case of the exterior of any convex polygonal domain. (Russian) Zbl 0333.35024 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 21-26 (1976). MSC: 35J05 35B40 35P20 PDFBibTeX XMLCite \textit{V. M. Babich} and \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 62, 21--26 (1976; Zbl 0333.35024)
Kiselev, A. P. Focusing of the WKB-solutions of the equation \(\Delta+k^2n^2(x)]u=0\), \(k\rightarrow\infty\). (Russian) Zbl 0352.35034 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 123-128 (1975). MSC: 35J05 35J10 35B30 PDFBibTeX XMLCite \textit{A. P. Kiselev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 123--128 (1975; Zbl 0352.35034) Full Text: EuDML
Tsepelev, N. V. On some special solutions for Helmholtz equation. (Russian) Zbl 0344.35021 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 197-202 (1975). MSC: 35J05 35C05 PDFBibTeX XMLCite \textit{N. V. Tsepelev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 197--202 (1975; Zbl 0344.35021) Full Text: EuDML
Grigor’eva, N. S. Ursells Ansatz zur Erhaltung einer apriorischen Abschätzung der Lösung des Neumannschen Problems für die Helmholtzsche Gleichung. (Russian) Zbl 0354.35013 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 42, 85-154 (1974). MSC: 35B45 35J05 35L10 PDFBibTeX XMLCite \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 42, 85--154 (1974; Zbl 0354.35013)
Pavlov, B. S.; Faddeev, L. D. Theorie der Streuung und automorphe Funktionen. (Russian) Zbl 0335.35004 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 27, 161-193 (1972). MSC: 35A99 30B40 30F35 35J05 PDFBibTeX XMLCite \textit{B. S. Pavlov} and \textit{L. D. Faddeev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 27, 161--193 (1972; Zbl 0335.35004)
Nikolaev, B. G. Über Wellenprozesse, die bei der Beugung an einem ideal spiegelnden Kegel im axialsymmetrischen Fall entstehen. (Russian) Zbl 0324.35023 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 25, 151-171 (1972). MSC: 35J05 35C10 PDFBibTeX XMLCite \textit{B. G. Nikolaev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 25, 151--171 (1972; Zbl 0324.35023)
Babich, V. M. Die Verfahrensweise von D. Ludwig und die Verfahrensweise der Grenzschicht im Problem der Beugung an einem glatten Körper. (Russian) Zbl 0324.35022 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 27, 17-32 (1972). MSC: 35J05 PDFBibTeX XMLCite \textit{V. M. Babich}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 27, 17--32 (1972; Zbl 0324.35022)
Yanson, Z. A. High-frequency asymptotic of the solution of the wave equation in the flat-plane waveguide formed by two caustics. (Russian) Zbl 0219.35011 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 17, 218-243 (1970). MSC: 35B40 35J05 PDFBibTeX XMLCite \textit{Z. A. Yanson}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 17, 218--243 (1970; Zbl 0219.35011) Full Text: EuDML
Popova, T. M. The higher approximations for the eigen-oscillations of the flat multimirrors resonator. (Russian) Zbl 0221.35023 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 15, 142-153 (1969). MSC: 35J05 35C20 PDFBibTeX XMLCite \textit{T. M. Popova}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 15, 142--153 (1969; Zbl 0221.35023) Full Text: EuDML
Zepelev, N. V. The shadow zone on the weak boundary of inhomogeneous mediums. (Russian) Zbl 0212.44301 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 15, 187-201 (1969). MSC: 35Q35 35J05 PDFBibTeX XMLCite \textit{N. V. Zepelev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 15, 187--201 (1969; Zbl 0212.44301) Full Text: EuDML