%0 Journal Article %A A. Sharma %A Z. Ziegler %T Walsh equiconvergence for best $l_{2}$-approximates %J Studia Mathematica %D 1983 %P 523-528 %V 77 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-77-5-523-528/ %R 10.4064/sm-77-5-523-528 %G en %F 10_4064_sm_77_5_523_528