U. Goginava and Nagy К., “On the maximal operator of $(C, α)$-means of Walsh–Kaczmarz–Fourier series”, Ukr. Mat. Zhurn., vol. 62, no. 2, pp. 158–166, Feb. 2010, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2852