%0 Journal Article %A Wolodymyr Madych %T On Littlewood-Paley functions %J Studia Mathematica %D 1974 %P 43-63 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-50-1-43-63/ %R 10.4064/sm-50-1-43-63 %G en %F 10_4064_sm_50_1_43_63