Barkhayev, P. Y., Rabah, R. and Sklyar, G. M. (2016) “On the problem of exact controllability of neutral systems with time delay”, Ukrains’kyi Matematychnyi Zhurnal, 68(6), pp. 800-815. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1879 (Accessed: 19April2024).