Suhakova, O. V. “Estimates in the Rényi Theorem for Differently Distributed Terms”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 7 (July 25, 1995): 984–989. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/5494.