Al-Hawasy, Jamil Amir, and Mayeada Abd Alsatar Hassan. “Constraints Optimal Classical Continuous Control Vector Problem for Quaternary Nonlinear Hyperbolic System ”. Ibn AL-Haitham Journal For Pure and Applied Sciences 36, no. 2 (April 20, 2023): 331–340. Accessed November 23, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2992.