KARPENKO, I. New life for the flat model of the universe in the post-Newtonian approximation of the theory of gravity. International Science Journal of Engineering & Agriculture, [S. l.], v. 3, n. 1, p. 32–49, 2024. DOI: 10.46299/j.isjea.20240301.05. Disponível em: https://isg-journal.com/isjea/article/view/605. Acesso em: 3 jul. 2024.