TY - JOUR AU - Richard Gundy TI - On the class LlogL, martingales, and singular integrals JO - Studia Mathematica PY - 1969 SP - 109 EP - 118 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-33-1-109-118/ DO - 10.4064/sm-33-1-109-118 LA - en ID - 10_4064_sm_33_1_109_118 ER -