ANDREW, Alfred. Spreading basic sequences and subspaces of James’ quasi-reflexive space. Mathematica Scandinavica, Berkeley, CA, United States, v. 48, p. 109–118, 1981. DOI: 10.7146/math.scand.a-11904. Disponível em: https://journals.msp.org/mscand/article/view/1720. Acesso em: 25 jul. 2026.