EL HAJJ, L. .; JEON, S.; SHAHGHOLIAN, H. Symmetry for a fully nonlinear free boundary problem with highly singular term. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 27, n. 2, p. 943-967, 2026. DOI: 10.2422/2036-2145.202309_003. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/6423. Acesso em: 4 aug. 2026.