GOMAA, Adel Mahmoud. On Bounded Weak and Strong Solutions of Non Linear Differential Equations with and without Delay in Banach Spaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 112, n. 2, p. 225–239, 2013. DOI: 10.7146/math.scand.a-15242. Disponível em: https://journals.msp.org/mscand/article/view/455. Acesso em: 24 jul. 2026.