SHCHYTOV, Oleksandr; MORMUL, Mykola. Estimates of the approximation errors of the classes of continuous. Challenges and Issues of Modern Science, Dnipro, UA, v. 2, p. 285–295, 2024. Disponível em: https://cims.fti.dp.ua/j/article/view/118.. Acesso em: 4 apr. 2025.