%0 Journal Article %A Rodrigo BaƱuelos %T A note on martingale transforms and $A_{p}$-weights %J Studia Mathematica %D 1987 %P 125-135 %V 85 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-85-2-125-135/ %R 10.4064/sm-85-2-125-135 %G en %F 10_4064_sm_85_2_125_135