TO-MING LAU, A.; ZHANG, Y. Fixed point properties for semigroups of nonexpansive mappings on convex sets in dual Banach spaces. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 17, p. 67–87, 2018. Disponível em: https://studmath.uken.krakow.pl/article/view/12962. Acesso em: 21 jul. 2026.