VlasenkoL. A., and PerestyukN. A. “On the Solvability of Impulsive Differential-Algebraic Equations”. Ukrains’kyi Matematychnyi Zhurnal 57, no. 4 (April 25, 2005): 458–468. Accessed December 4, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3612.