COLORADO, E.; PERAL, I. Eigenvalues and bifurcation for elliptic equations with mixed Dirichlet-Neumann boundary conditions related to Caffarelli-Kohn-Nirenberg inequalities. Topological Methods in Nonlinear Analysis, [S. l.], v. 23, n. 2, p. 239–273, 2004. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2004.011. Acesso em: 22 jan. 2022.