IVANOV, I. L.; SLYN'KO, V. I. Conditions for the stability of an impulsive linear equation with pure delay. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 9, p. 1200–1207, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3092. Acesso em: 6 dec. 2025.