Naurzbayeva, A. Z., N. S. Alimgazinova, V. V. Oskomov, N. O. Saduyev, O. A. Kalikulov, I. E. Kenzhina, A. I. Zhumabaev, B. A. Iskakov, and S. Shinbulatov. “Study of Anisotropy of Extremely High Energy Cosmic Rays”. International Journal of Mathematics and Physics, vol. 7, no. 2, Dec. 2016, pp. 76-78, https://ijmph.kaznu.kz/index.php/kaznu/article/view/209.