AL-HAWASY, jamil A.; ABD ALSATAR HASSAN, M. . The Optimal Classical Continuous Control Quaternary Vector of Quaternary Nonlinear Hyperbolic Boundary Value Problem. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 35, n. 3, p. 161–174, 2022. DOI: 10.30526/35.3.2833. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2833. Acesso em: 7 oct. 2022.