%0 Journal Article %A Juha Lehrbäck %T Necessary conditions for weighted pointwise Hardy inequalities %J Annales Fennici Mathematici %D 2009 %P 437-446 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2009_34_2_a7/ %G en %F AFM_2009_34_2_a7