LAURSEN, K. B. A Characterization of Reflexivity of Banach Spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 16, p. 169–174, 1965. DOI: 10.7146/math.scand.a-10757. Disponível em: https://www.mscand.dk/article/view/10757. Acesso em: 25 apr. 2024.