[1]
A. P. Musienko and A. S. Serdyuk, “Lebesgue-type inequalities for the de la Valee-Poussin sums on sets of analytic functions”, Ukr. Mat. Zhurn., vol. 65, no. 4, pp. 522–537, Apr. 2013, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2436