%0 Journal Article %A Vaníček, J. %T Biorthogonal systems and bases in Banach space (Preliminary note) %J Commentationes Mathematicae Universitatis Carolinae %D 1960 %P 22-27 %V 01 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1960__1_4_a3/ %G en %F CMUC_1960__1_4_a3