BEISSEN, N.; UTEPOVA, D.; MURATKHAN, A.; ORAZYMBET, A.; KHASSANOV, M.; TOKTARBAY, S. Application of GBT theorem for Gravitational deflection of light by Compact Objects. Recent Contributions to Physics, [S. l.], v. 2023, n. 1, p. 15–21, 2023. DOI: 10.26577/RCPh.2023.v84.i1.02. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1655. Acesso em: 9 feb. 2026.