Sanjay K. Srivastava, Neha Wadhwa, and Neeti Bhandari. “Asymptotic Stability in Impulsive Functional Differential Equations”. International Journal of Mathematics And its Applications 4, no. 1 - C (February 29, 2016): 99–102. Accessed July 3, 2024. https://ijmaa.in/index.php/ijmaa/article/view/601.