Gladilina, Raisa I. “On Modification of the Theorems of Direct Lyapunov Method for Impulsive Systems”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics0, no. 1061 (May 31, 2013): 17-29. Accessed May 5, 2024. https://periodicals.karazin.ua/mech_math/article/view/13133.