D. I. Borisov, D. A. Zezyulin, “On the Bifurcation of Thresholds of the Essential Spectrum with a Spectral Singularity”, Diff Equat, 59, no. 2, 2023, 278
Dmitry A. Zezyulin, Yaroslav V. Kartashov, Vladimir V. Konotop, “Metastable two-component solitons near an exceptional point”, Phys. Rev. A, 104, no. 2, 2021, 023504
D.I. Borisov, D.A. Zezyulin, “Eigenvalues bifurcating from the continuum in two-dimensional potentials generating non-Hermitian gauge fields”, Annals of Physics, 459, 2023, 169498
D. I. Borisov, D. A. Zezyulin, “Bifurcations of Essential Spectra Generated by a Small Non-Hermitian Hole. II. Eigenvalues and Resonances”, Russ. J. Math. Phys., 29, no. 3, 2022, 321
D. I. Borisov, D. A. Zezyulin, “Bifurcations of Essential Spectra Generated by a Small Non-Hermitian Hole. I. Meromorphic Continuations”, Russ. J. Math. Phys., 28, no. 4, 2021, 416
D.I. Borisov, D.A. Zezyulin, “On Perturbation of Thresholds in Essential Spectrum under Coexistence of Virtual Level and Spectral Singularity”, Russ. J. Math. Phys., 31, no. 1, 2024, 60
D. I Borisov, D. A Zezyulin, “O bifurkatsii porogov sushchestvennogo spektra v prisutstvii spektral'noy singulyarnosti”, Differencialʹnye uravneniâ, 59, no. 2, 2023, 270