Perestyuk, N.A. and Skripnik, N.V. (2013) “Averaging of set-valued impulsive systems”, Ukrains’kyi Matematychnyi Zhurnal, 65(1), pp. 126–142. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2409 (Accessed: 5 December 2025).