Avkhunbayeva, G. M., Y. K. Aimuratov, and A. Zh. Umiralieva. 2011. “THE DEFLECTION OF LIGHT RAYS IN THE GALAXIES’ HALOS OF DARK MATTER”. Recent Contributions to Physics 2011 (3): 59-67. https://bph.kaznu.kz/index.php/zhuzhu/article/view/154.