On the averaging principle for semilinear functional-differential equations with infinite delay in a Banach space. Neliniini Kolyvannya, [S. l.], v. 24, n. 1, p. 62–82, 2021. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/1015. Acesso em: 12 apr. 2026.