PACHPATTE, B. G. A note on variants of certain inequalities for convex functions. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 2, p. 163–168, 2003. DOI: 10.5556/j.tkjm.34.2003.263. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/263. Acesso em: 28 mar. 2024.