T.Ramazanova A. NECESSARY CONDITIONS FOR OPTIMALITY IN ONE NONSMOOTH OPTIMAL CONTROL PROBLEM FOR GOURSAT-DARBOUX SYSTEMS. Adv. Differ. Equ. Control Process. [Internet]. 2024Dec.27 [cited 2025Jan.5];31(4). Available from: https://ojs.acad-pub.com/index.php/ADECP/article/view/2456