The Classical Continuous Optimal Control for Quaternary parabolic boundary value problem. Iraqi Journal of Science, [S. l.], v. 64, n. 2, p. 768–782, 2023. DOI: 10.24996/ijs.2023.64.2.23. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5749.. Acesso em: 2 may. 2024.