@article{10_4064_sm168_3_2,
     author = {Valentin Ferenczi and Christian Rosendal},
     title = {On the number of non-isomorphic subspaces
 of a {Banach} space},
     journal = {Studia Mathematica},
     pages = {203--216},
     publisher = {mathdoc},
     volume = {168},
     number = {3},
     year = {2005},
     doi = {10.4064/sm168-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm168-3-2/}
}