Moskal'tsova, N. V., and V. M. Shurenkov. “Central Limit Theorem for Special Classes of Functions of Ergodic Chains”. Ukrains’kyi Matematychnyi Zhurnal 46, no. 8 (August 25, 1994): 1092–1094. Accessed April 27, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/5664.