%0 Journal Article %A Masato Kikuchi %T On a relation between norms of the maximal function and the square function of a martingale %J Colloquium Mathematicum %D 2013 %P 13-26 %V 132 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm132-1-2/ %R 10.4064/cm132-1-2 %G en %F 10_4064_cm132_1_2