142 citations to 10.1002/mana.19941670102 (Crossref Cited-By Service)
  1. George D. Raikov, “The essential spectrum of a linear magnetohydrodynamic model containing a vcuum region”, Communications in Partial Differential Equations, 22, no. 1-2, 1997, 509  crossref
  2. A. A. Shkalikov, “On the essential spectrum of matrix operators”, Math Notes, 58, no. 6, 1995, 1359  crossref
  3. A. Yu. Konstantinov, “Spectral theory of some matrix differential operators of mixed order”, Ukr Math J, 50, no. 8, 1998, 1212  crossref
  4. Henk De Snoo, “Regular Sturm ‐ Liouville Problems Whose Coefficients Depend Rationally on the Eigenvalue Parameter”, Mathematische Nachrichten, 182, no. 1, 1996, 99  crossref
  5. Mohamed Berkani, Monia Boudhief, Nedra Moalla, “Stability of essential B-spectra of unbounded linear operators and applications”, Afr. Mat., 29, no. 7-8, 2018, 1189  crossref
  6. Владимир Борисович Беляев, Vladimir Borisovitch Belyaev, Александр Константинович Мотовилов, Alexander Konstantinovich Motovilov, “Возмущение собственного значения, погруженного в непрерывный спектр, близколежащим резонансом”, ТМФ, 111, no. 1, 1997, 77  crossref
  7. A. Bátkai, P. Binding, A. Dijksma, R. Hryniv, H. Langer, “Spectral problems for operator matrices”, Mathematische Nachrichten, 278, no. 12-13, 2005, 1408  crossref
  8. Manfred Möller, Franciszek Szafraniec, “Adjoints and formal adjoints of matrices of unbounded operators”, Proc. Amer. Math. Soc., 136, no. 6, 2008, 2165  crossref
  9. Alexei Konstantinov, Reinhard Mennicken, “On the Friedrichs extension of some block operator matrices”, Integr equ oper theory, 42, no. 4, 2002, 472  crossref
  10. Michael Strauss, “Spectral Estimates and Basis Properties for Self-Adjoint Block Operator Matrices”, Integr. Equ. Oper. Theory, 67, no. 2, 2010, 257  crossref
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