K. M. Slepenchuk, “Extension of Holder’s means and Tauber type theorem for these methods ”, Ukr. Mat. Zhurn., vol. 18, no. 1, pp. 129–134, Jan. 1966, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8664