%0 Journal Article %A Márton Elekes %T Measurable envelopes, Hausdorff measures and Sierpiński sets %J Colloquium Mathematicum %D 2003 %P 155-162 %V 98 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm98-2-2/ %R 10.4064/cm98-2-2 %G en %F 10_4064_cm98_2_2