@article{MS2_1989__64_2_186119,
     author = {Gilles Godefroy and Paulette Saab},
     title = {Weakly unconditionally convergent series in {M-ideals.}},
     journal = {Mathematica Scandinavica},
     pages = {307--318},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     zbl = {0676.46006},
     url = {http://geodesic.mathdoc.fr/item/MS2_1989__64_2_186119/}
}