MUCHA, P. B. On lifespan of solutions to the Einstein equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 29, n. 1, p. 181–198, 2007. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2007.008. Acesso em: 29 mar. 2024.