SHARIFOV, Ya. A. Optimality conditions in problems of control over systems of impulsive differential equations with nonlocal boundary conditions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 64, n. 6, p. 836–847, 2012. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2621. Acesso em: 5 dec. 2025.