MONTENEGRO, M.; A. B. SILVA, E. Two solutions for a singular elliptic equation by variational methods. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 11, n. 1, p. 143-165, 2012. DOI: 10.2422/2036-2145.201003_002. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/259. Acesso em: 30 may. 2025.