%0 Journal Article %A Elói Medina Galego %T On pairs of Banach spaces which are isomorphic to complemented subspaces of each other %J Colloquium Mathematicum %D 2004 %P 279-287 %V 101 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm101-2-10/ %R 10.4064/cm101-2-10 %G en %F 10_4064_cm101_2_10