KrnićM., and Vuković P. “On Some Multidimensional Hilbert-Type Inequalities in the Discrete Case”. Ukrains’kyi Matematychnyi Zhurnal 65, no. 6 (June 25, 2013): 802–813. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2465.