SAMOILENKO, A. M. On One Problem of the Investigation of Global Solutions of Linear Differential Equations with Deviating Argument. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 55, n. 5, p. 631–640, 2003. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3939. Acesso em: 5 dec. 2025.