%0 Journal Article %A E. Sawyer %T Weighted inequalities for the two-dimensional Hardy operator %J Studia Mathematica %D 1985 %P 1-16 %V 82 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-82-1-1-16/ %R 10.4064/sm-82-1-1-16 %G en %F 10_4064_sm_82_1_1_16