MISHRA, A. M.; PANDEY, S. N. Gödel Type Solution of an f(R) Theory of Gravitation. Walailak Journal of Science and Technology (WJST), [S. l.], v. 13, n. 5, p. 329–336, 2015. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/873. Acesso em: 6 may. 2024.