PIMENTEL, E.; MIGUEL URBANO, J. Existence and improved regularity for a nonlinear system with collapsing ellipticity. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 22, n. 3, p. 1385-1400, 2021. DOI: 10.2422/2036-2145.201903_006. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/869. Acesso em: 27 may. 2025.