TAMIL SELVAN, M.; MURUGESU, R. Approximate Controllability of Second-Order Neutral Evolution Equations with Nonlocal Conditions. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 5, n. 1, p. 58–76, 2018. Disponível em: https://www.jgrma.com/index.php/jgrma/article/view/358. Acesso em: 9 may. 2025.