@article{10_4064_sm_69_3_247_287,
     author = {Nigel Kalton},
     title = {Convexity, type and three space problem},
     journal = {Studia Mathematica},
     pages = {247--287},
     publisher = {mathdoc},
     volume = {69},
     number = {3},
     year = {1981},
     doi = {10.4064/sm-69-3-247-287},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-69-3-247-287/}
}