O. M. Iksanov, “Some moment results about the limit of a martingale related to the supercritical branching random walk and perpetuities”, Ukr. Mat. Zhurn., vol. 58, no. 4, pp. 451–471, Apr. 2006, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3467