ARANDA, Carlos Cesar. Spacetime singularity, singular bounds and compactness for solutions of the Poisson‘s equation. CUBO, A Mathematical Journal, [S. l.], v. 17, n. 2, p. 97–122, 2015. DOI: 10.4067/S0719-06462015000200007. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1182. Acesso em: 7 dec. 2025.