ENFLO, P.; LINDENSTRAUSS, J.; PISIER, G. On the "Three space problem". Mathematica Scandinavica, Berkeley, CA, United States, v. 36, p. 199–210, 1975. DOI: 10.7146/math.scand.a-11571. Disponível em: https://journals.msp.org/mscand/article/view/2048. Acesso em: 25 jul. 2026.