CANO-CASANOVA, S. Compact components of positive solutions for superlinear indefinite elliptic problems of mixed type. Topological Methods in Nonlinear Analysis, [S. l.], v. 23, n. 1, p. 45–72, 2004. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2004.003. Acesso em: 28 mar. 2024.