Derev’yankoN. V. and KirilichV. M. (2015) “Problem of Optimal Control for a Semilinear Hyperbolic System of Equations of the First Order with Infinite Horizon Planning”, Ukrains’kyi Matematychnyi Zhurnal, 67(2), pp. 185–201. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1973 (Accessed: 25September2020).