CHERNIGA, R. M.; WILHETMSSON, H. Symmetry and exact solution of heat-mass transfer equations in thermonuclear plasma. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 9, p. 1265–1277, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5240. Acesso em: 5 dec. 2025.