%0 Journal Article %A Stefan Geiss %T $BMO_ψ$-spaces and applications to extrapolation theory %J Studia Mathematica %D 1997 %P 235-274 %V 122 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-122-3-235-274/ %R 10.4064/sm-122-3-235-274 %G en %F 10_4064_sm_122_3_235_274