%0 Journal Article %A Cobos, Fernando %A Resina, Ivam %T On Hardy's inequality and eigenvalue distributions %J Portugaliae mathematica %D 1993 %P 151-156 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1993__50_2_115816/ %G en %F PORMA_1993__50_2_115816