AL-HAWASY, Jamil A.; JASIM, Doaa Kateb. The Continuous Classical Optimal Control Problems for Triple Nonlinear Elliptic Boundary Value Problem. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 33, n. 3, p. 101–112, 2020. DOI: 10.30526/33.3.2477. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2477. Acesso em: 14 mar. 2025.