[1]
S. B. Vakarchuk, “On some extremal problems of approximation theory in the complex plane”, Ukr. Mat. Zhurn., vol. 56, no. 9, pp. 1155–1171, Sep. 2004, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3832