Liouville Type Theorems of Semilinear Equations with Square Sum of Vector Fields. Journal of Partial Differential Equations, [S. l.], v. 18, n. 2, p. 149–153, 2005. Disponível em: https://gsp.tricubic.dev/jpde/article/view/4040. Acesso em: 15 mar. 2026.