GUO, Z. Structure of large positive solutions of some semilinear elliptic problems where the nonlinearity changes sign. Topological Methods in Nonlinear Analysis, [S. l.], v. 18, n. 1, p. 41–71, 2001. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2001.023. Acesso em: 26 apr. 2024.