RemezE. Ya., and GavrilуukV. T. “On Construction of Chebyshev Approximations by Functions of Interpolating Classes ”. Ukrains’kyi Matematychnyi Zhurnal 23, no. 1 (December 25, 1970): 25-33. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8475.