DRAGOMIR, S. S. Inequalities for power series with nonnegative coefficients via a reverse of Jensen inequality. Tamkang Journal of Mathematics, [S. l.], v. 47, n. 2, p. 221–236, 2016. DOI: 10.5556/j.tkjm.47.2016.1904. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1904. Acesso em: 26 apr. 2024.