58 citations to https://www.mathnet.ru/rus/mzm6912
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A. A. Kirac, “On the asymptotic simplicity of periodic eigenvalues and Titchmarsh's formula”, J. Math. Anal. Appl., 425:1 (2015), 440–450
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Cemile Nur, O. A. Veliev, “On the basis property of the root functions of Sturm–Liouville operators with general regular boundary conditions”, Mosc. Math. J., 15:3 (2015), 511–526
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А. М. Савчук, И. В. Садовничая, “Базисность Рисса со скобками для системы Дирака с суммируемым потенциалом”, Труды Седьмой Международной конференции по дифференциальным и функционально-дифференциальным уравнениям (Москва, 22–29 августа, 2014). Часть 1, СМФН, 58, РУДН, М., 2015, 128–152 ; A. M. Savchuk, I. V. Sadovnichaya, “The Riesz basis property with brackets for Dirac systems with summable potentials”, Journal of Mathematical Sciences, 233:4 (2018), 514–540
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Gunes H., Kerimov N.B., Kaya U., “Spectral Properties of Fourth Order Differential Operators With Periodic and Antiperiodic Boundary Conditions”, Results Math., 68:3-4 (2015), 501–518
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Lunyov A.A., Malamud M.M., “on the Completeness and Riesz Basis Property of Root Subspaces of Boundary Value Problems For First Order Systems and Applications”, J. Spectr. Theory, 5:1 (2015), 17–70
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N. S. Imanbaev, “On Stability of Basis Property of Root Vectors System of the Sturm-Liouville Operator with an Integral Perturbation of Conditions in Nonstrongly Regular Samarskii-Ionkin Type Problems”, International Journal of Differential Equations, 2015 (2015), 1
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Alp Arslan K{\i}raç, “On the Riesz Basisness of Systems Composed of Root Functions of Periodic Boundary Value Problems”, Abstract and Applied Analysis, 2015 (2015), 1
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P. Djakov, B. Mityagin, “Riesz basis property of Hill operators with potentials in weighted spaces”, Тр. ММО, 75, № 2, МЦНМО, М., 2014, 181–204 ; Trans. Moscow Math. Soc., 75 (2014), 151–172
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N. B. Kerimov, U. Kaya, “Spectral asymptotics and basis properties of fourth order differential operators with regular boundary conditions”, Math. Methods Appl. Sci., 37:5 (2014), 698–710
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C. Nur, O. A. Veliev, “On the basis property of the root functions of some class of non-self-adjoint Sturm-Liouville operators”, Bound. Value Probl., 2014 (2014), 57