Ivanov, I.L. and Slyn'ko, V.I. (2009) “Conditions for the stability of an impulsive linear equation with pure delay”, Ukrains’kyi Matematychnyi Zhurnal, 61(9), pp. 1200–1207. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3092 (Accessed: 6 December 2025).