Ignat’ev, A. O. (2008) “On equiasymptotic stability of solutions of doubly-periodic impulsive systems”, Ukrains’kyi Matematychnyi Zhurnal, 60(10), pp. 1317–1325. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3246 (Accessed: 27April2024).