Aitzhanov, Yerimbet, and Shirali Kadyrov. “TYPES OF LYAPUNOV FUNCTIONS AND GLOBAL STABILITY”. Journal of Emerging Technologies and Computing 64, no. 1 (October 12, 2024): 79–88. Accessed April 18, 2025. https://jetc.sdu.edu.kz/index.php/jetc/article/view/16.