AL-HAWASY, J. A.; JASIM, Doaa Kateb. The Continuous Classical Optimal Control Problems for Triple Elliptic Partial Differential Equations. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 33, n. 1, p. 143–151, 2020. DOI: 10.30526/33.1.2380. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2380. Acesso em: 26 mar. 2025.