[1]
V. A. Mikhailets and A. A. Murach, “On the unconditional almost-everywhere convergence of general orthogonal series”, Ukr. Mat. Zhurn., vol. 63, no. 10, pp. 1360–1367, Oct. 2011, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2812