Buslaeva, S.F. (2001) “On a Two-Point Version of Transfinite Diameter”, Ukrains’kyi Matematychnyi Zhurnal, 53(9), pp. 1155–1160. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4333 (Accessed: 26 April 2025).