BABENKO, V. F.; KORNEICHUK, N. P.; PICHUGOV, S. A. Kolmogorov-type inequalities for mixed derivatives of functions of many variables. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 5, p. 579–594, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3779. Acesso em: 27 apr. 2025.