- Anton E. Kulagin, Alexander V. Shapovalov, “A Semiclassical Approach to the Nonlocal Nonlinear Schrödinger Equation with a Non-Hermitian Term”, Mathematics, 12, № 4, 2024, 580
- Alexander V. Shapovalov, Anton E. Kulagin, Sergei A. Siniukov, “Family of Asymptotic Solutions to the Two-Dimensional Kinetic Equation with a Nonlocal Cubic Nonlinearity”, Symmetry, 14, № 3, 2022, 577
- Anton E Kulagin, Alexander V Shapovalov, “Quasiparticles for the one-dimensional nonlocal Fisher-Kolmogorov-Petrovskii-Piskunov equation”, Phys. Scr., 99, № 4, 2024, 045228
- Anton E. Kulagin, Alexander V. Shapovalov, Andrey Y. Trifonov, “Semiclassical Spectral Series Localized on a Curve for the Gross–Pitaevskii Equation with a Nonlocal Interaction”, Symmetry, 13, № 7, 2021, 1289
- Alexander V. Shapovalov, Anton E. Kulagin, “Semiclassical Approach to the Nonlocal Kinetic Model of Metal Vapor Active Media”, Mathematics, 9, № 23, 2021, 2995