CHABROWSKI, J.; YAN, S. The effect of the graph topology on a semilinear elliptic equation with critical exponent. Topological Methods in Nonlinear Analysis, [S. l.], v. 12, n. 1, p. 1–26, 1998. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1998.025. Acesso em: 29 mar. 2024.