1.
Al-Hawasy JAA, Fadhel MA. Classical Quaternary Boundary Optimal Control Problem of Quaternary Nonlinear Hyperbolic System. Iraqi Journal of Science [Internet]. 2026 Apr. 30 [cited 2026 Jul. 7];67(4):2372-86. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/14709