%0 Journal Article %A G. Okikiolu %T On maximal functions of fractional order %J Studia Mathematica %D 1968 %P 259-271 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-30-2-259-271/ %R 10.4064/sm-30-2-259-271 %G en %F 10_4064_sm_30_2_259_271