Smaoui, Nejib, Noor El-Ulabi, and Mohamed Zribi. “Dynamics and Control of a Nine-Mode Reduced-Order Model of the 2D Navier-Stokes Equations”. Contemporary Mathematics 6, no. 5 (September 25, 2025): 6917–6958. Accessed January 10, 2026. https://ojs.wiserpub.com/index.php/CM/article/view/7774.