IvanchovN. I., and Pabyrivs’kaN. V. “Inverse Problem for a Two-Dimensional Diffusion Equation in a Domain With Free Boundary”. Ukrains’kyi Matematychnyi Zhurnal 65, no. 7 (July 25, 2013): 917–927. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2477.