R. M. Cherniga and H. Wilhetmsson, “Symmetry and exact solution of heat-mass transfer equations in thermonuclear plasma”, Ukr. Mat. Zhurn., vol. 48, no. 9, pp. 1265–1277, Sep. 1996, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5240