LITOVCHENKO, V. A. Hyperbolic systems in Gelfand and Shilov spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 10, p. 1360–1373, 2026. DOI: 10.3842/umzh.v71i10.1520. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1520. Acesso em: 16 feb. 2026.