Existence and Ulam stability of solution for some backward impulsive differential equations on Banach spaces. Armenian Journal of Mathematics, [S. l.], v. 13, n. 8, p. 1–21, 2021. DOI: 10.52737/18291163-2021.13.8-1-21. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/561.. Acesso em: 29 apr. 2024.