“The Continuous Classical Boundary Optimal Control of Couple Nonlinear Hyperbolic Boundary Value Problem With Equality and Inequality Constraints”. Baghdad Science Journal 16, no. 4(Suppl.) (December 18, 2019): 1064. Accessed July 2, 2026. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/4607.