Al-Bayaty, Intidhar Z Mushetet. “Modified Krasovskii’s Method for Constructing Liapunov Function”. Al-Nahrain Journal of Science 14, no. 4 (December 1, 2011): 177–180. Accessed May 22, 2026. https://anjs.edu.iq/index.php/anjs/article/view/784.