Дегтярев, А В., Н. Н. Дубинин, and В. А. Маслов. “Modes Focusing of Metal Resonator of Terahertz Laser”. Visnyk of V.N. Karazin Kharkiv National University, series “Radio Physics and Electronics”0, no. 26 (January 31, 2018): 48-53. Accessed February 22, 2026. https://periodicals.karazin.ua/radiophysics/article/view/10176.