NOVIKOV, S. I. Approximation of one class of differentiable functions by piecewise-HermitianL-splines. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 11, p. 1495–1504, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4751. Acesso em: 11 apr. 2025.