%0 Journal Article
%A Zofia Denkowska
%T An example of a function which is locally constant in an open dense set, everywhere differentiable but not constant
%J Annales Polonici Mathematici
%D 1973
%P 195-199
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-28-2-195-199/
%R 10.4064/ap-28-2-195-199
%G en
%F 10_4064_ap_28_2_195_199