Kiên BT, Toàn NT, Wong MM, Yao JC. LOWER SEMI-CONTINUITY OF THE SOLUTION SET TO A PARAMETRIC OPTIMAL CONTROL PROBLEM. DLU JOS [Internet]. 2012 Sep. 30 [cited 2025 Mar. 21];2(3):8-13. Available from: https://tckh.dlu.edu.vn/index.php/tckhdhdl/article/view/203