BORMOTOVA, I. M.; KOPTEVA, E. M. Friedmann Cosmological Models with Various Equations of State of Matter. Ukrainian Journal of Physics, [S. l.], v. 61, n. 9, p. 843, 2019. DOI: 10.15407/ujpe61.09.0843. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019043. Acesso em: 4 may. 2024.