NECESSARY CONDITIONS FOR OPTIMALITY IN ONE NONSMOOTH OPTIMAL CONTROL PROBLEM FOR GOURSAT-DARBOUX SYSTEMS. Advances in Differential Equations and Control Processes, [S. l.], v. 31, n. 4, p. 673–681, 2024. DOI: 10.17654/0974324324034. Disponível em: https://pphmjopenaccess.com/adecp/article/view/2398. Acesso em: 5 jan. 2026.