Chechin L.M, Kurmanov E.B, и Konysbayev T.K. «LIGHT RAYS IN THE EPOCH OF DARK MATTER DOMINATION». Academic Scientific Journal of Computer Science, no. 5 (октябрь 10, 2019): 5–10. просмотрено декабрь 15, 2025. http://89.250.84.46/physics-mathematics/article/view/1654.