MALANCHINI, Paolo; BISCI, Giovanni Molica; SECCHI, Simone. Mountain pass solutions for an entire semipositone problem involving the Grushin subelliptic operator. Topological Methods in Nonlinear Analysis, [S. l.], v. 67, n. 1, p. 183–208, 2026. DOI: 10.12775/TMNA.2025.037. Disponível em: https://apcz.umk.pl/TMNA/article/view/70081. Acesso em: 2 jun. 2026.