@article{GDZPPN00204045X, title = {Functional equations and nowhere differentiable functions.}, journal = {Aequationes mathematicae}, volume = {45}, year = {1993}, pages = {243-256}, zbl = {0788.26007}, url = {http://dml.mathdoc.fr/item/GDZPPN00204045X} }
Girgensohn, Roland. Functional equations and nowhere differentiable functions.. Aequationes mathematicae, Tome 45 (1993) pp. 243-256. http://gdmltest.u-ga.fr/item/GDZPPN00204045X/