Hitrik M., Sjostrand J., “Rational Invariant Tori and Band Edge Spectra For Non-Selfadjoint Operators”, J. Eur. Math. Soc., 20:2 (2018), 391–457
Fujiie S., Wittsten J., “Quantization Conditions of Eigenvalues For Semiclassical Zakharov-Shabat Systems on the Circle”, Discret. Contin. Dyn. Syst., 38:8 (2018), 3851–3873
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, eds. Filipuk G., Lastra A., Michalik S., Springer, 2018, 177–187
Drouot A., “Stochastic Stability of Pollicott-Ruelle Resonances”, Commun. Math. Phys., 356:2 (2017), 357–396
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
Dyatlov S., Zworski M., “Stochastic Stability of Pollicott-Ruelle Resonances”, Nonlinearity, 28:10 (2015), 3511–3533
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
Tobias Gulden, Michael Janas, Alex Kamenev, “Riemann surface dynamics of periodic non-Hermitian Hamiltonians”, J. Phys. A: Math. Theor., 47:8 (2014), 085001
Esina A.I., Shafarevich A.I., “Analogs of Bohr-Sommerfeld-Maslov Quantization Conditions on Riemann Surfaces and Spectral Series of Nonself-Adjoint Operators”, Russ. J. Math. Phys., 20:2 (2013), 172–181
А. И. Есина, А. И. Шафаревич, “Условия квантования на римановых поверхностях и квазиклассический спектр оператора Шрёдингера с комплексным потенциалом”, Матем. заметки, 88:2 (2010), 229–248 ; A. I. Esina, A. I. Shafarevich, “Quantization Conditions on Riemannian Surfaces and the Semiclassical Spectrum of the Schrödinger Operator with Complex Potential”, Math. Notes, 88:2 (2010), 209–227