AIZICOVICI, S.; PAPAGEORGIOU, N. S.; STAICU, V. Positive solutions for parametric Dirichlet problems with indefinite potential and superdiffusive reaction. Topological Methods in Nonlinear Analysis, [S. l.], v. 47, n. 2, p. 423–438, 2016. DOI: 10.12775/TMNA.2016.014. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2016.014. Acesso em: 22 jul. 2024.