YATSENKO , T. P. Asymptotic study of linear-quadratic control problem. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 4, p. 501–507, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9186. Acesso em: 17 feb. 2026.