NIKOURAVAN, B.; RAWAL, J. J. . Behavior of elliptical objects in general theory of relativity: Physics. International Journal of Fundamental Physical Sciences, [S. l.], v. 1, n. 1, p. 1-5, 2011. DOI: 10.14331/ijfps.2011.330001. Disponível em: https://fundamentaljournals.org/index.php/ijfps/article/view/73. Acesso em: 27 sep. 2022.