PerestyukN. A. and ChernikovaO. S. (1997) “Stability of solutions of pulsed systems”, Ukrains’kyi Matematychnyi Zhurnal, 49(1), pp. 98–111. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4989 (Accessed: 24November2024).