Kydyrbekuly, A. B., and G.G. A. Ibrayev. “The Self-Oscillation in the Vertical Rotor System Mounted on Elastic Supports”. Journal of Mathematics, Mechanics and Computer Science 105, no. 1 (April 6, 2020): 160–173. Accessed July 22, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/695.