%0 Journal Article %A Walsh, T. %T On Weighted Norm Inequalities for Fractional and Singular Integrals %J Canadian journal of mathematics %D 1971 %P 907-928 %V 23 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-100-1/ %R 10.4153/CJM-1971-100-1 %F 10_4153_CJM_1971_100_1