PACHPATTE, B. G. New integral inequalities for differentiable functions. Tamkang Journal of Mathematics, [S. l.], v. 34, n. 3, p. 249–253, 2003. DOI: 10.5556/j.tkjm.34.2003.317. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/317. Acesso em: 26 apr. 2024.