A. V. Zolotaryuk, G. P. Tsironis, and S. Kovalchuk, Tunneling of electromagnetic waves through bilayers: Special cases and point approximations, Low Temp. Phys. 51, 622–628, (2025) [Fiz. Nyzk. Temp. 51, 695–701, (2025)] DOI: https://doi.org/10.1063/10.0036528.