TY - JOUR AU - S. Chang TI - A generalized area integral estimate and applications JO - Studia Mathematica PY - 1981 SP - 109 EP - 121 VL - 69 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-69-2-109-121/ DO - 10.4064/sm-69-2-109-121 LA - en ID - 10_4064_sm_69_2_109_121 ER -