%0 Journal Article %A Robert E. Zink %T On the Gram–Schmidt orthonormalizatons of subsystems of Schauder systems %J Colloquium Mathematicum %D 2002 %P 97-110 %V 92 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm92-1-9/ %R 10.4064/cm92-1-9 %G de %F 10_4064_cm92_1_9