Karashchuk, N. N., R. A. Rykhalskyi, Yu. A. Zaiets, and S. S. Sabadash. “IMPROVED ANTENNA CALCULATION TECHNIQUE IN THE FORM OF OPEN END OF THE ROUND WAVEGUIDE”. Radio Electronics, Computer Science, Control, no. 4 (December 22, 2020): 15–25. Accessed January 22, 2022. http://ric.zntu.edu.ua/article/view/217991.