ZoriiN. V. “Extremal Problems in the Theory of Capacities of Condensers in Locally Compact Spaces. II”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 4 (April 25, 2001): 466-488. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4269.