Cerone, P., Dragomir, S.S. and Kikianty, E. (2017) “Jensen – Ostrowski inequalities and integration schemes via the Darboux expansion”, Ukrains’kyi Matematychnyi Zhurnal, 69(8), pp. 1123–1140. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1763 (Accessed: 5 December 2025).