Approximation of a Function in Holder Class Using Double Karamata (Kλ,μ) Method. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 3, p. 567–578, 2020. DOI: 10.29020/nybg.ejpam.v13i3.3663. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3663. Acesso em: 13 may. 2025.