BABENKO, V. F.; KOFANOV, V. A.; PICHUGOV, S. A. Exact inequalities for derivatives of functions of low smoothness defined on an axis and a semiaxis. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 3, p. 291–302, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3454. Acesso em: 6 dec. 2025.