Jarczyk, Justyna, and Witold Jarczyk. “On a Functional Equation Characterizing Some Probability Distributions”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 1 (February 2, 2024): 107 - 114. Accessed February 26, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7672.