GODEFROY, G.; SAAB, P. Weakly unconditionally convergent series in M-ideals. MATHEMATICA SCANDINAVICA, [S. l.], v. 64, p. 307–318, 1989. DOI: 10.7146/math.scand.a-12260. Disponível em: https://www.mscand.dk/article/view/12260. Acesso em: 24 nov. 2024.