E. Y. Remez and Gavrilуuk V. T., “On construction of Chebyshev approximations by functions of interpolating classes ”, Ukr. Mat. Zhurn., vol. 23, no. 1, pp. 25–33, Dec. 1970, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8475