SEDUNOVA, V. V. Best one-sided approximation on the average for the classes of differentiable functions by algebraic polynomials. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 2, p. 215–227, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1687. Acesso em: 7 apr. 2025.