An example of a function which is locally constant in an open dense set, everywhere differentiable but not constant

Zofia Denkowska. "An example of a function which is locally constant in an open dense set, everywhere differentiable but not constant." Annales Polonici Mathematici 28.2 (1973): 195-199. <http://eudml.org/doc/265140>.

@article{ZofiaDenkowska1973,
author = {Zofia Denkowska},
journal = {Annales Polonici Mathematici},
language = {eng},
number = {2},
pages = {195-199},
title = {An example of a function which is locally constant in an open dense set, everywhere differentiable but not constant},
url = {http://eudml.org/doc/265140},
volume = {28},
year = {1973},
}

TY - JOUR
AU - Zofia Denkowska
TI - An example of a function which is locally constant in an open dense set, everywhere differentiable but not constant
JO - Annales Polonici Mathematici
PY - 1973
VL - 28
IS - 2
SP - 195
EP - 199
LA - eng
UR - http://eudml.org/doc/265140
ER -