Al-Hawasy JA, Abd Alsatar Hassan M. Constraints Optimal Classical Continuous Control Vector Problem for Quaternary Nonlinear Hyperbolic System . IHJPAS [Internet]. 2023 Apr. 20 [cited 2024 Nov. 23];36(2):331-40. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2992