%0 Journal Article %A W. Davis %A W. Johnson %A J. Lindenstrauss %T The $l^{n}_{1}$ problem and degrees of non-reflexivity %J Studia Mathematica %D 1976 %P 123-140 %V 55 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-55-2-123-140/ %R 10.4064/sm-55-2-123-140 %G en %F 10_4064_sm_55_2_123_140