AmerovT. K., SerovN. I., and FushchichV. I. “Nonlocal Ansatze and Solutions of a Nonlinear System of Heat-Conduction Equations”. Ukrains’kyi Matematychnyi Zhurnal 45, no. 2 (February 25, 1993): 293–302. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5812.