BABENKO, V. F.; UEDRAOGO, Zh. B. On exact constants in inequalities for norms of derivatives on a finite segment. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 1, p. 117–119, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4588. Acesso em: 5 dec. 2025.