LitovchenkoV. A. (2019) “Hyperbolic systems in Gelfand and Shilov spaces”, Ukrains’kyi Matematychnyi Zhurnal, 71(10), pp. 1360-1373. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1520 (Accessed: 20September2024).