DRAGOMIR, S. S.; CHO, Y. J. On Aczel’s inequality for real numbers. Tamkang Journal of Mathematics, [S. l.], v. 32, n. 2, p. 137–142, 2001. DOI: 10.5556/j.tkjm.32.2001.356. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/356. Acesso em: 25 apr. 2024.