Lavrent’ev, K. K. Inverse problems of finding boundary condition in the theory of propagation of nonstationary waves. II. (Russian) Zbl 0365.35046 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 129-133 (1975). MSC: 35R30 35L05 35L25 PDF BibTeX XML Cite \textit{K. K. Lavrent'ev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 129--133 (1975; Zbl 0365.35046) Full Text: EuDML OpenURL
Blagovescenskii, A. S.; Lavrent’ev, K. K. Inverse problems of finding boundary condition in the theory of propagation of nonstationary waves. I. (Russian) Zbl 0365.35045 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 78-84 (1975). MSC: 35R30 35L20 35L05 PDF BibTeX XML Cite \textit{A. S. Blagovescenskii} and \textit{K. K. Lavrent'ev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 78--84 (1975; Zbl 0365.35045) Full Text: EuDML OpenURL
Lazutkin, V. F.; Hod’kov, Ju. A. A counterexample to the Arnol’d’s hypothesis on eigenvibrations of a membrane. (Russian) Zbl 0363.73070 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 134-137 (1975). MSC: 74K15 PDF BibTeX XML Cite \textit{V. F. Lazutkin} and \textit{Ju. A. Hod'kov}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 134--137 (1975; Zbl 0363.73070) Full Text: EuDML OpenURL
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 PDF BibTeX XML Cite \textit{A. P. Kiselev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 123--128 (1975; Zbl 0352.35034) Full Text: EuDML OpenURL
Buldyrev, V. S.; Lanin, A. I. On the calculation of the function \(G_M(\gamma)\). (Russian) Zbl 0349.65012 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 85-92 (1975). MSC: 65D20 65A05 76-04 PDF BibTeX XML Cite \textit{V. S. Buldyrev} and \textit{A. I. Lanin}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 85--92 (1975; Zbl 0349.65012) Full Text: EuDML OpenURL
Filippov, V. B. Short-wave asymptotic for the current in the problem of diffraction by nonplane screens. (Russian) Zbl 0349.35066 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 172-182 (1975). MSC: 35J10 35C05 35B40 PDF BibTeX XML Cite \textit{V. B. Filippov}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 172--182 (1975; Zbl 0349.35066) Full Text: EuDML OpenURL
Babich, V. M.; Grigor’eva, N. S. Asymptotical properties of solutions of some three-dimensional wave problems. (Russian) Zbl 0349.35020 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 20-77 (1975). MSC: 35J10 35B40 PDF BibTeX XML Cite \textit{V. M. Babich} and \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 20--77 (1975; Zbl 0349.35020) OpenURL
Nedelin, A. A. To the investigation of Green function’s asymptotic of waveguide propagation near the conducting sphere surface problem. (Russian) Zbl 0349.35008 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 138-154 (1975). MSC: 35B40 35J10 35C05 PDF BibTeX XML Cite \textit{A. A. Nedelin}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 138--154 (1975; Zbl 0349.35008) Full Text: EuDML OpenURL
Firsova, N. E. Riemann surface of quasiimpulse and the theory of scattering for disturbed Hill operator. (Russian) Zbl 0349.34020 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 183-196 (1975). MSC: 34L99 34B30 47A40 47A70 PDF BibTeX XML Cite \textit{N. E. Firsova}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 183--196 (1975; Zbl 0349.34020) Full Text: EuDML OpenURL
Petras, S. V. On resonance series separating onto the ”nonphysical” sheet. (Russian) Zbl 0348.35063 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 155-169 (1975). MSC: 35L20 35B45 35P25 PDF BibTeX XML Cite \textit{S. V. Petras}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 155--169 (1975; Zbl 0348.35063) Full Text: EuDML OpenURL
Yafaev, D. R. On the virtual state of Schrödinger equation. (Russian) Zbl 0347.35028 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 203-216 (1975). MSC: 35J10 35R20 35P99 PDF BibTeX XML Cite \textit{D. R. Yafaev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 203--216 (1975; Zbl 0347.35028) Full Text: EuDML OpenURL
Its, A. R.; Matveev, V. B. Coordinate asymptotics for the Schrödinger equation with a rapidly oscillating potential. (Russian) Zbl 0346.35038 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 119-122 (1975). MSC: 35J10 35B99 PDF BibTeX XML Cite \textit{A. R. Its} and \textit{V. B. Matveev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 119--122 (1975; Zbl 0346.35038) Full Text: EuDML OpenURL
Grigor’eva, N. S. An estimate of a wave field in a shadow zone in the case of diffraction of spherical wave by infinitely smooth surface. (Russian) Zbl 0346.35037 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 93-118 (1975). MSC: 35J10 35B05 PDF BibTeX XML Cite \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 93--118 (1975; Zbl 0346.35037) Full Text: EuDML OpenURL
Babich, V. M. High-frequency point source of oscillation in the neighbourhood of a concave mirror. (Russian) Zbl 0345.35030 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 5-19 (1975). MSC: 35J10 35B05 PDF BibTeX XML Cite \textit{V. M. Babich}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 5--19 (1975; Zbl 0345.35030) Full Text: EuDML OpenURL
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 PDF BibTeX XML Cite \textit{N. V. Tsepelev}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 51, 197--202 (1975; Zbl 0344.35021) Full Text: EuDML OpenURL