@article{10_4064_sm188_3_2,
     author = {N. J. Kalton},
     title = {The complemented subspace problem revisited},
     journal = {Studia Mathematica},
     pages = {223--257},
     publisher = {mathdoc},
     volume = {188},
     number = {3},
     year = {2008},
     doi = {10.4064/sm188-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm188-3-2/}
}