Dzyubenko, H. A., Listopad, V. V. and Shevchuk, I. A. (1993) “Uniform estimates for monotonic polynomial approximation”, Ukrains’kyi Matematychnyi Zhurnal, 45(1), pp. 38–43. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5780 (Accessed: 2June2024).