SHCHIGOLEV, Victor; BEZBATKO, Dmitrii. On HPM approximation for the perihelion preces-sion angle in general relativity. International Journal of Advanced Astronomy, [S. l.], v. 5, n. 1, p. 38–43, 2017. DOI: 10.14419/ijaa.v5i1.7279. Disponível em: https://sciencepubco.com/index.php/IJAA/article/view/7279.. Acesso em: 18 apr. 2025.