Accelerating And Decelerating Hypersurface-Homogeneous Cosmological Models In Barberas Second Self-Creation Theory. Global Journal of Science Frontier Research, [S. l.], v. 12, n. F3, p. 41–49, 2012. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/100222. Acesso em: 14 aug. 2026.