229 citations to https://www.mathnet.ru/rus/mzm1234
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Ugurlu E., “On the Eigenvalues of Second-Order Boundary-Value Problems”, J. Appl. Anal. Comput., 10:5 (2020), 1897–1911
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Ghatasheha A., Weikard R., “Spectral Theory For Systems of Ordinary Differential Equations With Distributional Coefficients”, J. Differ. Equ., 268:6 (2020), 2752–2801
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Ugurlu E., Bairamov E., “Fourth Order Differential Operators With Distributional Potentials”, Turk. J. Math., 44:3 (2020), 825–856
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Braeutigam I.N., “Spectral Properties of Matrix Differential Equations With Nonsmooth Coefficients”, Differ. Equ., 56:6 (2020), 685–695
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Kanguzhin B.E. Tulenov K.S., “Singular Perturbations of Laplace Operator and Their Resolvents”, Complex Var. Elliptic Equ., 65:9 (2020), 1433–1444
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Rauf AMİROV, Sevim DURAK, “Behaviors of Eigenvalues and Eigenfunctions of The Singular Shrödinger Operator”, Turkish Journal of Mathematics and Computer Science, 12:2 (2020), 151
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Bondarenko N.P., “An Inverse Problem For Sturm-Liouville Operators on Trees With Partial Information Given on the Potentials”, Math. Meth. Appl. Sci., 42:5 (2019), 1512–1528
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Pechentsov A.S., Popov A.Yu., “Distribution of the Spectrum of a Singular Sturm-Liouville Operator Perturbed By the Dirac Delta Function”, Differ. Equ., 55:2 (2019), 169–180
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Savchuk A.M., “Uniform Estimates of Remainders in Spectral Analysis of Linear Differential Systems”, Differ. Equ., 55:5 (2019), 609–619
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Pechentsov A.S., “Regularized Traces of the Airy Operator Perturbed By the Dirac Delta Function”, Differ. Equ., 55:4 (2019), 483–489