%0 Journal Article %A Ryszard J. Pawlak %T On the entropy of Darboux functions %J Colloquium Mathematicum %D 2009 %P 227-241 %V 116 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm116-2-7/ %R 10.4064/cm116-2-7 %G en %F 10_4064_cm116_2_7