%0 Journal Article %A S. Petermichl %A J. Wittwer %T Heating of the Beurling operator: Sufficient conditions for the two-weight case %J Studia Mathematica %D 2008 %P 203-217 %V 186 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm186-3-1/ %R 10.4064/sm186-3-1 %G en %F 10_4064_sm186_3_1