PACHPATTE, B. G. A NOTE ON GENERALIZED OPIAL TYPE INEQUALITIES. Tamkang Journal of Mathematics, [S. l.], v. 24, n. 2, p. 229–235, 1993. DOI: 10.5556/j.tkjm.24.1993.4494. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4494. Acesso em: 19 apr. 2024.