N. V. Moskal'tsova and V. M. Shurenkov, “Central limit theorem for stochastically additive functionals of ergodic chains”, Ukr. Mat. Zhurn., vol. 46, no. 10, pp. 1421–1423, Oct. 1994, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5625