Dinh Phu, Nguyen, and Tran Thanh Tung. “SOME NEW RESULTS ON THE FUZZY CONTROL DIFFERENTIAL EQUATIONS”. VNUHCM Journal of Science and Technology Development 11, no. 1 (January 31, 2008): 5-20. Accessed June 3, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2591.