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@article{AM2_1994__47_2-3_137571, author = {Roland Girgensohn}, title = {Nowhere differentiable solutions of a system of functional equations.}, journal = {Aequationes mathematicae}, pages = {89--99}, publisher = {mathdoc}, volume = {47}, number = {2-3}, year = {1994}, zbl = {0791.26005}, url = {http://geodesic.mathdoc.fr/item/AM2_1994__47_2-3_137571/} }
Roland Girgensohn. Nowhere differentiable solutions of a system of functional equations.. Aequationes mathematicae, Tome 47 (1994) no. 2-3, pp. 89-99. http://geodesic.mathdoc.fr/item/AM2_1994__47_2-3_137571/