[1]
Y. D. Zhdanova, “The classical ruin problem on a finite solvable group”, Ukr. Mat. Zhurn., vol. 45, no. 3, pp. 361–366, Mar. 1993, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5817