SAMUEL, C. Sur les sous-espaces de $l_p \hat{\hat{\otimes}} l_q$. Mathematica Scandinavica, Berkeley, CA, United States, v. 47, p. 247–250, 1980. DOI: 10.7146/math.scand.a-11887. Disponível em: https://journals.msp.org/mscand/article/view/1765. Acesso em: 25 jul. 2026.