“The Continuous Classical Optimal Control of a Couple Nonlinear Hyperbolic Partial Differential Equations with Equality and Inequality Constraints”, Iraqi Journal of Science, vol. 57, no. 2C, pp. 1528–1538, Jun. 2022, Accessed: May 04, 2024. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7170