Avramenko, O., and V. Naradovyi. “Benjamin--Feir Instability of Interfacial Gravity--Capillary Waves in a Two-Layer Fluid. Part II. Surface-Tension Effects”. East European Journal of Physics, no. 1, Mar. 2026, pp. 112-26, doi:10.26565/2312-4334-2026-1-09.