KOFANOV, V. A.; MIROPOL'SKII, V. E. On sharp Kolmogorov-type inequalities taking into account the number of sign changes of derivatives. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 12, p. 1642–1649, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3278. Acesso em: 27 apr. 2025.