BABENKO, V. F.; LIGUN, A. A. Bernstein-type inequalities for $\mathcal{L}$-splines. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 1, p. 10–20, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5776. Acesso em: 5 dec. 2025.