Team, Support. “Linear Time-Varying Systems in Hilbert Spaces: Exact Controllability Implies Complete Stabilizability: P. Niamsup, V. N. Phat”. Thai Journal of Mathematics 7, no. 1 (June 1, 2009): 189–199. Accessed December 22, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/154.