BAYRAMOVA, N. Q.; GADJIEV, T. S. On Removable Sets for Degenerated Elliptic Equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 8, p. 1041–1057, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2198. Acesso em: 5 dec. 2025.