%0 Journal Article %A S. Hartman %T Non-closed thin sets in harmonic analysis %J Colloquium Mathematicum %D 1975 %P 117-122 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-33-1-117-122/ %R 10.4064/cm-33-1-117-122 %G en %F 10_4064_cm_33_1_117_122