KOPOTUN, K. A.; LEVIATAN, D.; SHEVCHUK, I. A. On one estimate of divided differences and its applications. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 2, p. 230–245, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1434. Acesso em: 5 dec. 2025.