Further Approximations on Durrmeyer Modification of Szasz-Mirakjan Operators. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 5, p. 1306–1324, 2020. DOI: 10.29020/nybg.ejpam.v13i5.3728. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3728. Acesso em: 22 dec. 2024.