C. Yuce, “Scattering from a PT symmetric standing wave”, Physics Letters A, 376:44 (2012), 2770
Efendiev R.F., “Spectral analysis for one class of second-order indefinite non-self-adjoint differential operator pencil”, Appl Anal, 90:12 (2011), 1837–1849
Jürgen Pöschel, “Hill's potentials in weighted Sobolev spaces and their spectral gaps”, Math. Ann., 349:2 (2011), 433
Р. Ф. Эфендиев, Г. Д. Оруджев, “Обратная спектральная задача для волнового уравнения с разрывной волновой скоростью”, Журн. матем. физ., анал., геом., 6:3 (2010), 255–265
ALI MOSTAFAZADEH, “PSEUDO-HERMITIAN REPRESENTATION OF QUANTUM MECHANICS”, Int. J. Geom. Methods Mod. Phys., 07:07 (2010), 1191
Bikashkali Midya, B. Roy, R. Roychoudhury, “A note on the invariant periodic potential”, Physics Letters A, 374:26 (2010), 2605
Andrei V. Smilga, “Comments on the Dynamics of the Pais–Uhlenbeck Oscillator”, SIGMA, 5 (2009), 017, 13 pp.
Djakov P., Mityagin B., “Spectral Gaps of Schrodinger Operators with Periodic Singular Potentials”, Dyn. Partial Differ. Equ., 6:2 (2009), 95–165
Jürgen Pöschel, Thomas Kappeler, “On the periodic KdV equation in weighted Sobolev spaces”, Ann. Inst. H. Poincaré Anal. Non Linéaire, 26:3 (2009), 841
Gusein Sh Guseinov, “On the concept of spectral singularities”, Pramana - J Phys, 73:3 (2009), 587
Ali Mostafazadeh, “Spectral Singularities of Complex Scattering Potentials and Infinite Reflection and Transmission Coefficients at Real Energies”, Phys. Rev. Lett., 102:22 (2009)
Fritz Gesztesy, Vadim Trachenko, “A criterion for Hill operators to be spectral operators of scalar type”, J Anal Math, 107:1 (2009), 287
Subir Ghosh, Sujoy Kumar Modak, “Classical oscillator with position-dependent mass in a complex domain”, Physics Letters A, 373:14 (2009), 1212
A V Smilga, “Exceptional points in quantum and classical dynamics”, J. Phys. A: Math. Theor., 42:9 (2009), 095301
Ю. В. Покорный, М. Б. Зверева, С. А. Шабров, “Осцилляционная теория Штурма–Лиувилля для импульсных задач”, УМН, 63:1(379) (2008), 111–154 ; Yu. V. Pokornyi, M. B. Zvereva, S. A. Shabrov, “Sturm–Liouville oscillation theory for impulsive problems”, Russian Math. Surveys, 63:1 (2008), 109–153
Veliev O.A., “Uniform convergence of the spectral expansion for a differential operator with periodic matrix coefficients”, Bound Value Probl, 2008, 628973
A. V. Smilga, “Physics of crypto-Hermitian and crypto-supersymmetric field theories”, Phys. Rev. D, 77:6 (2008)
Jürgen Pöschel, NATO Science for Peace and Security Series, Hamiltonian Dynamical Systems and Applications, 2008, 421
Thomas Kappeler, Jürgen Pöschel, NATO Science for Peace and Security Series, Hamiltonian Dynamical Systems and Applications, 2008, 431
D. Robert, A. V. Smilga, “Supersymmetry versus ghosts”, Journal of Mathematical Physics, 49:4 (2008)