Quasistationary nonlinear problem of thermal conduction with spherical symmetry in the region with a free boundary. Kazakh Mathematical Journal, [S. l.], v. 22, n. 4, p. 6–18, 2025. DOI: 10.70474/v7695v88. Disponível em: https://mathjournal.kz/index.php/kmj/article/view/31. Acesso em: 25 feb. 2025.