Ilnitskyi, L. Y., O. A. Shcherbyna, M. Y. Zaliskyi, I. I. Mykhalchuk, and O. V. Kozhokhina. “POWER SUPPLY OF RING ANTENNA USING DIRECTIONAL COUPLERS”. Radio Electronics, Computer Science, Control, no. 3, Sept. 2023, p. 6, doi:10.15588/1607-3274-2023-3-1.