CERONE, P.; DRAGOMIR, S. S.; KIKIANTY, E. Jensen – Ostrowski inequalities and integration schemes via the Darboux expansion. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 8, p. 1123–1140, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1763. Acesso em: 5 dec. 2025.