D‘ALESSANDRO, Paolo. An immediate derivation of maximum principle in Banach spaces, assuming reflexive input and state spaces. CUBO, A Mathematical Journal, [S. l.], v. 14, n. 2, p. 81–90, 2012. DOI: 10.4067/S0719-06462012000200005. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1343. Acesso em: 7 dec. 2025.