TY - JOUR AU - Eric Sawyer TI - A characterization of a two-weight norm inequality for maximal operators JO - Studia Mathematica PY - 1982 SP - 1 EP - 11 VL - 75 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-75-1-1-11/ DO - 10.4064/sm-75-1-1-11 LA - en ID - 10_4064_sm_75_1_1_11 ER -