SKOROKHODOV, D. S. Landau-Kolmogorov problem for a class of functions absolutely monotone on a finite interval. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 4, p. 531–548, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2739. Acesso em: 14 apr. 2025.