WERNER, D. M-structure in tensor products of Banach spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 61, p. 149–164, 1987. DOI: 10.7146/math.scand.a-12196. Disponível em: https://www.mscand.dk/article/view/12196. Acesso em: 6 may. 2024.