Yarova, O.A., and Ya.I. Yeleyko. “The Renewal Equation in Nonlinear Approximation”.
Matematychni Studii
56, no. 1 (October 23, 2021): 103-106. Accessed July 6, 2025. http://www.matstud.org.ua/ojs/index.php/matstud/article/view/191.