NepritvorennayaL. M. (1971) “Determination of unknown parameters under conformal mapping of the upper half-plane on an arbitrary circular quadrangle ”, Ukrains’kyi Matematychnyi Zhurnal, 23(2), pp. 261-268. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8512 (Accessed: 24November2024).