[1]
V. A. Litovchenko, “Hyperbolic systems in Gelfand and Shilov spaces”, Ukr. Mat. Zhurn., vol. 71, no. 10, pp. 1360–1373, Oct. 2019, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1520