Beissen N, Utepova D, Muratkhan A, Orazymbet A, Khassanov M, Toktarbay S. Application of GBT theorem for Gravitational deflection of light by Compact Objects. Rec.Contr.Phys. [Internet]. 2023 Mar. 13 [cited 2026 Feb. 1];2023(1):15-21. Available from: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1655