@article{10_4064_cm101_2_10,
     author = {El\'oi Medina Galego},
     title = {On pairs of {Banach} spaces which are isomorphic to
 complemented subspaces of each other},
     journal = {Colloquium Mathematicum},
     pages = {279--287},
     publisher = {mathdoc},
     volume = {101},
     number = {2},
     year = {2004},
     doi = {10.4064/cm101-2-10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm101-2-10/}
}