H. Shather A. Backstepping Method for Stabilizing System of 2×2 Riccati Matrix Differential Equations. Al-Nahrain J. Sci. [Internet]. 2020 Jun. 4 [cited 2026 May 22];23(2):52-9. Available from: https://mail.anjs.edu.iq/index.php/anjs/article/view/2278