TY - JOUR AU - Masato Kikuchi TI - On a relation between norms of the maximal function and the square function of a martingale JO - Colloquium Mathematicum PY - 2013 SP - 13 EP - 26 VL - 132 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm132-1-2/ DO - 10.4064/cm132-1-2 LA - en ID - 10_4064_cm132_1_2 ER -