KHARKEVYCH, Yu.I.; STEPANIUK, T.A. Approximate properties of Abel-Poisson integrals on classes of differentiable functions defined by moduli of continuity. Carpathian Mathematical Publications, [S. l.], v. 15, n. 1, p. 286–294, 2023. DOI: 10.15330/cmp.15.1.286-294. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/6250. Acesso em: 11 may. 2024.