BIANCHI TYPE – VI COSMOLOGICAL MODELS WITH STIFF FLUID AND TIME VARYING G AND ⩘. Asian Journal of Current Engineering and Maths, [S. l.], v. 2, n. 3, 2013. Disponível em: http://informaciontechnologica.com/index.php/ajcem/article/view/179.. Acesso em: 5 oct. 2024.