ZHANG, Jinguo; LIU, Xiaochun; JIAO, Hongying. Multiplicity of positive solutions for fractional Laplacian equations involving critical nonlinearity. Topological Methods in Nonlinear Analysis, [S. l.], v. 53, n. 1, p. 151–182, 2019. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2018.043. Acesso em: 9 jul. 2025.