Sedunova, V. V. (2017) “Best one-sided approximation on the average for the classes of differentiable functions by algebraic polynomials”, Ukrains’kyi Matematychnyi Zhurnal, 69(2), pp. 215-227. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1687 (Accessed: 25April2024).