ETKIN VALERI; ETKIN VALERI. Alternative of the Theory of Relativity. Global Journal of Science Frontier Research, [S. l.], v. 18, n. A3, p. 7–15, 2018. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2196. Acesso em: 4 may. 2024.