50 citations to https://www.mathnet.ru/rus/mzm2118
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Н. В. Глотко, “О спектре оператора Лапласа на искривленных произведениях римановых многообразий”, Сиб. матем. журн., 49:1 (2008), 23–42
; N. V. Glotko, “The spectrum of the Laplacian on the warped products of Riemannian manifolds”, Siberian Math. J., 49:1 (2008), 18–35
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Nedra Moalla, Mondher Damak, Aref Jeribi, “Essential spectra of some matrix operators and application to two-group transport operators with general boundary conditions”, Journal of Mathematical Analysis and Applications, 323:2 (2006), 1071
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A. Bátkai, P. Binding, A. Dijksma, R. Hryniv, H. Langer, “Spectral problems for operator matrices”, Mathematische Nachrichten, 278:12-13 (2005), 1408
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J. Lutgen, “On essential spectra of operator-matrices and their Feshbach maps”, Journal of Mathematical Analysis and Applications, 289:2 (2004), 419
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N. Kopachevsky, R. Mennicken, Ju. Pashkova, C. Tretter, “Complete second order linear differential operator equations in Hilbert space and applications in hydrodynamics”, Trans. Amer. Math. Soc., 356:12 (2004), 4737
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А. Ю. Константинов, “О существенном спектре одного класса матричных
дифференциальных операторов”, Функц. анализ и его прил., 36:3 (2002), 76–78
; A. Yu. Konstantinov, “On the Essential Spectrum of a Class of Matrix Differential Operators”, Funct. Anal. Appl., 36:3 (2002), 233–235
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Hryniv R. Shkalikov A. Vladimirov A., “Differential Operator Matrices of Mixed Order with Periodic Coefficients”, Differential Operators and Related Topics, Operator Theory : Advances and Applications, 117, ed. Adamyan V. Gohberg I. Gorbachuk M. Gorbachuk V. Kaashoek M. Langer H. Popov G., Birkhauser Verlag Ag, 2000, 155–164
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R. Hryniv, A. Shkalikov, A. Vladimirov, Differential Operators and Related Topics, 2000, 155
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А. Ю. Константинов, “Спектральный анализ одного класса матричных дифференциальных операторов”, Функц. анализ и его прил., 31:3 (1997), 77–80
; A. Yu. Konstantinov, “Spectral Analysis of One Class of Matrix Differential Operators”, Funct. Anal. Appl., 31:3 (1997), 209–211
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В. Б. Беляев, А. К. Мотовилов, “Возмущение собственного значения, погруженного в непрерывный спектр, близколежащим резонансом”, ТМФ, 111:1 (1997), 77–93
; V. B. Belyaev, A. K. Motovilov, “Perturbation of embedded eigenvalue by a nearly resonance”, Theoret. and Math. Phys., 111:1 (1997), 454–466