O. O. . Kostyria, A. A. Hryzo, I. M. . Trofymov, O. I. . Liashenko, and Y. V. . Biernik, “METHOD FOR STUDYING THE TIME-SHIFTED MATHEMATICAL MODEL OF A TWO-FRAGMENT SIGNAL WITH NONLINEAR FREQUENCY MODULATION”, RIC, no. 3, pp. 6–16, Sep. 2025.