Shkurupiy, Oleksandr, Pavlo Mytrofanov, Oksana Dovzhenko, and Volodymyr Pohribnyi. “Calculation of the Stability of the Equilibrium Form of Discrete Systems”. International Journal of Engineering and Technology 7, no. 4.8 (October 13, 2018): 84–96. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/27220.