%0 Journal Article %A Zdzisław Denkowski %T An example of a continuous function without the usual, the approximative and the distributional derivative %J Annales Polonici Mathematici %D 1980 %P 169-180 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-169-180/ %R 10.4064/ap-38-2-169-180 %G en %F 10_4064_ap_38_2_169_180