%0 Journal Article %A Rubio, Baldomero %T The hardy-littlewood maximal function and derivation of integrals. %J Collectanea mathematica %D 1975 %P 219-226 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CLTM_1975_1975_1_a15/ %G en %F CLTM_1975_1975_1_a15