Rogovchenko , Y.V. (1992) “Continuous dependence on the parameter of solutions of impulse evolutionary systems”, Ukrains’kyi Matematychnyi Zhurnal, 44(8), pp. 1078–1083. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8036 (Accessed: 5 December 2025).