Kostikov , A. A. “Thermodiffusion Steffan Problem in Presence of Convection”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 2 (February 28, 1992): 269–274. Accessed February 17, 2026. https://umj.imath.kiev.ua/index.php/umj/article/view/7841.