%0 Journal Article %A Waldemar PopiƄski %T A note on orthogonal series regression function estimators %J Applicationes Mathematicae %D 1999 %P 281-291 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-26-3-281-291/ %R 10.4064/am-26-3-281-291 %G en %F 10_4064_am_26_3_281_291