MABKHOUT, Salah A. Nonsingular Big Bang and Black Holes. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 29, n. 1, p. 64–89, 2016. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/6036. Acesso em: 5 oct. 2025.