Levashova N.T., Samsonov D.S., “EXISTENCE OF A STABLE STATIONARY SOLUTION WITH A TWO-SCALE TRANSITION LAYER OF A SYSTEM OF TWO DIFFUSION EQUATIONS WITH QUASIMONOTONICITY CONDITIONS OF DIFFERENT SIGNS”, Third International Conference on Integrable Systems and Nonlinear Dynamics, and School "Integrable and Nonlinear Days", Ярославский государственный университет им. П.Г. Демидова, 2021, 63-64
N. T. Levashova, D. S. Samsonov, “Stability of a stationary solution of a system of activator–inhibitor-type equations with a double-scale internal transition layer”, TMF, 215:2 (2023), 269–288; Theoret. and Math. Phys., 215:2 (2023), 691–708