%0 Journal Article %A K. Urbanik %T Atoms of characteristic measures %J Colloquium Mathematicum %D 1989 %P 125-129 %V 58 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-58-1-125-129/ %R 10.4064/cm-58-1-125-129 %G en %F 10_4064_cm_58_1_125_129