%0 Journal Article %A Michael A. Coco %T Biorthogonal systems in Banach spaces %J Studia Mathematica %D 2004 %P 81-100 %V 165 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm165-1-7/ %R 10.4064/sm165-1-7 %G en %F 10_4064_sm165_1_7