AL-HAWASY, Jamil Amir; H. DIWAN, Haider; F. KEIDAN , Waffa. The Continuous Classical Optimal Control Problems for Quaternary Elliptic Partial Differential Equations. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 37, n. 3, p. 369–378, 2024. DOI: 10.30526/37.3.3339. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/3339.. Acesso em: 24 jul. 2024.