A. E. Lukin and A. V. Svishchuk, “Filtration of components of processes of random evolution”, Ukr. Mat. Zhurn., vol. 50, no. 12, pp. 1701–1705, Dec. 1998, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4790