MAISALATEE, A. U.; AZOS, M. M.; EWA, I. I. Complete Einstein’s Equations of Motion for Test Particles Exterior to Spherical Massive Bodies using a Varying Potential. International Astronomy and Astrophysics Research Journal, [S. l.], v. 3, n. 1, p. 43–53, 2021. Disponível em: https://www.journaliaarj.com/index.php/IAARJ/article/view/37. Acesso em: 5 sep. 2026.