%0 Journal Article %A Shanzhen Lu %T The Littlewood-Paley function and φ-trans-form characterizations of a new Hardy space HK₂ associated with the Herz space %J Studia Mathematica %D 1991 %P 285-298 %V 101 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-101-3-285-298/ %R 10.4064/sm-101-3-285-298 %G en %F 10_4064_sm_101_3_285_298