Berehova, H.I. and Kirilich, V.M. (1997) “Hyperbolic stefan problem in a curvilinear sector”, Ukrains’kyi Matematychnyi Zhurnal, 49(12), pp. 1684–1689. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5173 (Accessed: 5 December 2025).