RASULOV, M. S.; TAKHIROV, Zh. O. Problem with free boundary for the systems of equations of reaction-diffusion type. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 12, p. 1690–1700, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1812. Acesso em: 5 dec. 2025.