D.I. Borisov, A.A. Fedotov, “Resonances and Scattering by a Periodic Structure”, Russ. J. Math. Phys., 32:2 (2025), 245
D.I. Borisov, D.M. Polyakov, “Uniform Spectral Asymptotics for the Schrödinger Operator with Translation in Free Term and Periodic Boundary Conditions”, Russ. J. Math. Phys., 32:3 (2025), 434
D.I. Borisov, D.M. Polyakov, “Uniform Spectral Asymptotics for a Schrödinger Operator on a Segment with Delta-Interaction”, Russ. J. Math. Phys., 31:2 (2024), 149
A.A. Arzhanov, S.A. Stepin, V.A. Titov, V.V. Fufaev, “Stokes Phenomenon and Spectral Locus in a Problem of Singular Perturbation Theory”, Russ. J. Math. Phys., 31:3 (2024), 351
Х. К. Ишкин, Р. И. Марванов, “Об условиях локализации спектра модельного оператора для уравнения Орра–Зоммерфельда”, Уфимск. матем. журн., 12:4 (2020), 66–79 ; Kh. K. Ishkin, R. I. Marvanov, “On localization conditions for spectrum of model operator for Orr–Sommerfeld equation”, Ufa Math. J., 12:4 (2020), 64–77
Shafarevich A., “Quantization Conditions on Riemannian Surfaces and Spectral Series of Non-Selfadjoint Operators”, Formal and Analytic Solutions of Diff. Equations, Springer Proceedings in Mathematics & Statistics, 256, ed. Filipuk G. Lastra A. Michalik S., Springer, 2018, 177–187
A. A. Shkalikov, S. N. Tumanov, “Spectral Portraits in the Semi-Classical Approximation of the Sturm-Liouville Problem with a Complex Potential”, J. Phys.: Conf. Ser., 1141 (2018), 012155
Д. В. Нехаев, А. И. Шафаревич, “Квазиклассический предел спектра оператора Шрёдингера с комплексным периодическим потенциалом”, Матем. сб., 208:10 (2017), 126–148 ; D. V. Nekhaev, A. I. Shafarevich, “A quasiclassical limit of the spectrum of a Schrödinger operator with complex periodic potential”, Sb. Math., 208:10 (2017), 1535–1556
Tumanov S.N. Shkalikov A.A., “the Limit Spectral Graph in Semiclassical Approximation For the Sturm-Liouville Problem With Complex Polynomial Potential”, Dokl. Math., 92:3 (2015), 773–777
А. И. Есина, А. И. Шафаревич, “Асимптотика спектра и собственных функций оператора магнитной индукции на компактной двумерной поверхности вращения”, Матем. заметки, 95:3 (2014), 417–432 ; A. I. Esina, A. I. Shafarevich, “Asymptotics of the Spectrum and Eigenfunctions of the Magnetic Induction Operator on a Compact Two-Dimensional Surface of Revolution”, Math. Notes, 95:3 (2014), 374–387