Begmuratov KA, Martynyuk AA. Analytical construction of the hierarchical matrix Lyapunov function for impulse systems. Ukr. Mat. Zhurn. [Internet]. 1997Apr.25 [cited 2024Jul.27];49(4):548–557. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/5030