%0 Journal Article %A Fučík, Svatopluk %A John, Oldřich %A Nečas, Jindřich %T On the existence of Schauder bases in Sobolev spaces %J Commentationes Mathematicae Universitatis Carolinae %D 1972 %P 163-175 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1972__13_1_a12/ %G en %F CMUC_1972__13_1_a12