BABENKO, V. F.; CHURILOVA, M. S. Comparison of exact constants in Kolmogorov-type inequalities for periodic and nonperiodic functions of many variables. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 5, p. 597–606, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3478. Acesso em: 5 dec. 2025.