%0 Journal Article %A David Adams %A Michael Frazier %T BMO and smooth truncation in Sobolev spaces %J Studia Mathematica %D 1988 %P 241-260 %V 89 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-89-3-241-260/ %R 10.4064/sm-89-3-241-260 %G en %F 10_4064_sm_89_3_241_260