%0 Journal Article %A T. W. Körner %T Devil's staircases, ramps, humps and roller coasters %J Colloquium Mathematicum %D 1990 %P 1-14 %V 60 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-60-61-1-1-14/ %R 10.4064/cm-60-61-1-1-14 %G en %F 10_4064_cm_60_61_1_1_14