CHEN, B.-Y. Black holes, marginally trapped surfaces and quasi-minimal surfaces. Tamkang Journal of Mathematics, [S. l.], v. 40, n. 4, p. 313–341, 2009. DOI: 10.5556/j.tkjm.40.2009.600. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/600. Acesso em: 29 mar. 2024.