%0 Journal Article %A Ireneo Alonso %T A general result on the equivalence between derivation of integrals and weak inequalities for the Hardy-Littlewood maximal operator %J Studia Mathematica %D 1977 %P 91-96 %V 60 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-60-1-91-96/ %R 10.4064/sm-60-1-91-96 %G en %F 10_4064_sm_60_1_91_96