AL-HAWASY, Jamil Amir; AL-QAISI, Safaa J. Mohammed. The Continuous Classical Boundary Optimal Control of a Couple Nonlinear Elliptic Partial Differential Equations with State Constraints. Al-Mustansiriyah Journal of Science, Baghdad, Iraq, v. 30, n. 1, p. 143–151, 2019. DOI: 10.23851/mjs.v30i1.464. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/464.. Acesso em: 3 may. 2024.