AHMED, N.; RAFAT, H. Schwarschild metric in six dimensions - a topological study. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 9, n. 4, p. 2515–2533, 2014. DOI: 10.24297/jam.v9i4.2368. Disponível em: https://rajpub.com/index.php/jam/article/view/2368. Acesso em: 3 jul. 2024.