Takibayev, N., K. Kato, M. Takibayeva, A. Sarsembayeva, V. Kurmangaliyeva, and D. Nasirova. “The Sutdy of Equilibrium States in the Envelopes of Neutron Stars”. Recent Contributions to Physics, vol. 2012, no. 3, Sept. 2012, pp. 16-25, https://bph.kaznu.kz/index.php/zhuzhu/article/view/701.