Al-Hawasy, J.A. and Jasim, D.K. 2020. The Continuous Classical Optimal Control Problems for Triple Nonlinear Elliptic Boundary Value Problem. Ibn AL-Haitham Journal For Pure and Applied Sciences. 33, 3 (Jul. 2020), 101–112. DOI:https://doi.org/10.30526/33.3.2477.