Denissyuk, E.K., и A.V. Serebryanskiy. 2020. «THE ORBIT OF THE STAR S2 ≡ S0-2 IN THE CENTER OF THE GALAXY». Academic Scientific Journal of Computer Science, вып. 3 (июнь):5-14. https://journals.nauka-nanrk.kz/physics-mathematics/article/view/443.