ImomovA., and Meyliyev A. “On Application of Slowly Varying Functions With Remainder in the Theory of Markov Branching Processes With Mean One and Infinite Variance”. Ukrains’kyi Matematychnyi Zhurnal 73, no. 8 (August 18, 2021): 1056 - 1066. Accessed November 21, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/684.