Mogilevskii, V. I., and A. Revenko. “Weak Generalized Limit and Ergodic Theorems”. Methods of Functional Analysis and Topology 7, no. 2 (June 25, 2001): 52–67. Accessed December 17, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/150.