HolubA. P. “Pade–Chebyshev Approximants for One Class of Functions”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 1 (January 25, 2002): 15-19. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4036.