%0 Journal Article %A Edmond Granirer %T On convolution operators with small support which are far from being convolution by a bounded measure %J Colloquium Mathematicum %D 1994 %P 33-60 %V 67 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-67-1-33-60/ %R 10.4064/cm-67-1-33-60 %G en %F 10_4064_cm_67_1_33_60