BabenkoV. V., and BabenkoV. F. “Optimization of Approximate Integration of Set-Valued Functions Monotone With Respect to Inclusion”. Ukrains’kyi Matematychnyi Zhurnal 63, no. 2 (February 25, 2011): 147-155. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2706.