I. M. Karabash, O. M. Logachova, and I. V. Verbytskyi, “Overdamped modes and optimization of resonances in layered cavities”, MFAT, vol. 23, no. 3, pp. 252–260, Sep. 2017, Accessed: Dec. 15, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/668