OSTAPENKO, E. V. Problem of optimal control for a determinate equation with interaction. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 8, p. 1099–1109, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3227. Acesso em: 14 apr. 2025.