PECARIC, J. Improvements of some integral inequalities of Gr"uss type. Tamkang Journal of Mathematics, [S. l.], v. 36, n. 1, p. 39–42, 2005. DOI: 10.5556/j.tkjm.36.2005.133. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/133. Acesso em: 28 mar. 2024.