PACHAPTTE, B. G. A NOTE ON AN INEQUALITY SIMILAR TO OPIAL’S INEQUALITY. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 1, p. 63–66, 1999. DOI: 10.5556/j.tkjm.30.1999.4209. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4209. Acesso em: 8 may. 2024.