DRAGOMIR, S. S. . A Gr"uss’ type integral inequality for mappings of $r$-H"older’s type and applications for trapezoid formula. Tamkang Journal of Mathematics, [S. l.], v. 31, n. 1, p. 43–48, 2000. DOI: 10.5556/j.tkjm.31.2000.413. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/413. Acesso em: 5 may. 2024.