ANASTASSIOU, G. A. Spline left fractional monotone approximation involving left fractional differential operators. CUBO, A Mathematical Journal, [S. l.], v. 17, n. 1, p. 65–73, 2015. DOI: 10.4067/S0719-06462015000100005. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1151. Acesso em: 29 apr. 2024.