%0 Journal Article %A Etienne Matheron %T On the complexity of H sets of the unit circle %J Colloquium Mathematicum %D 1996 %P 1-5 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-70-1-1-5/ %R 10.4064/cm-70-1-1-5 %G en %F 10_4064_cm_70_1_1_5