@article{SAF_1979-1980____A13_0,
     author = {Johnson, W. B.},
     title = {Banach spaces all of whose subspaces have the approximation property},
     journal = {S\'eminaire d'Analyse fonctionnelle (dit "Maurey-Schwartz")},
     note = {talk:16},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1979-1980},
     mrnumber = {585146},
     zbl = {0441.46014},
     language = {en},
     url = {http://www.numdam.org/item/SAF_1979-1980____A13_0/}
}