Baron, Karol. “Remarks Connected With the Weak Limit of Iterates of Some Random-Valued Functions and Iterative Functional Equations”. Annales Mathematicae Silesianae 34, no. 1 (May 8, 2020): 36–44. Accessed May 6, 2025. https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13629.