TY - JOUR AU - Elói Medina Galego TI - On pairs of Banach spaces which are isomorphic to complemented subspaces of each other JO - Colloquium Mathematicum PY - 2004 SP - 279 EP - 287 VL - 101 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm101-2-10/ DO - 10.4064/cm101-2-10 LA - en ID - 10_4064_cm101_2_10 ER -