On Approximation by Reciprocals of Polynomials with Positive Coefficients. Analysis in Theory and Applications, [S. l.], v. 29, n. 2, p. 149–157, 2013. DOI: 10.4208/ata.2013.v29.n2.6. Disponível em: https://global-sci.com/index.php/ata/article/view/7980. Acesso em: 5 dec. 2025.