Global Exponential Stability of Impulsive Functional Differential Equations with Effect of Delay at the Time of Impulses. Global Journal of Science Frontier Research, [S. l.], v. 15, n. F8, p. 15–21, 2015. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1654. Acesso em: 14 aug. 2026.