%0 Journal Article %A J. Radecki %T Orthonormal basis in the space $C_{1}[0,1]$ %J Studia Mathematica %D 1970 %P 123-163 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-35-2-123-163/ %R 10.4064/sm-35-2-123-163 %G en %F 10_4064_sm_35_2_123_163