SQUASSINA, M. On the existence of positive entire solutions of nonlinear elliptic equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 17, n. 1, p. 23–39, 2001. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2001.002. Acesso em: 28 mar. 2024.