BREZIS, Haïm; NIRENBERG, Louis. Removable singularities for nonlinear elliptic equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 9, n. 2, p. 201–219, 1997. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1997.009. Acesso em: 8 jul. 2025.