Бедный, Н. С., and И. Ф. Бойко. “Method of Stochastic Orthogonal Expansion in the Theory of Nonlinear Radio Systems”. Proceedings of National Aviation University 3, no. 2 (September 26, 1999): 142–147. Accessed May 4, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/9395.