“Spherical slot antenna with multi-element resonant diaphragm in the waveguide” (2016) Visnyk of V.N. Karazin Kharkiv National University, series “Radio Physics and Electronics”, (24), pp. 35–40. Available at: https://periodicals.karazin.ua/radiophysics/article/view/6382 (Accessed: 25 October 2026).