@article{10_4153_CMB_1965_009_1, author = {Bruckner, A. M. and Leonard, John L.}, title = {On {Differentiable} {Functions} having an {Everywhere} {Dense} set of {Intervals} of {Constancy}}, journal = {Canadian mathematical bulletin}, pages = {73--76}, year = {1965}, volume = {8}, number = {1}, doi = {10.4153/CMB-1965-009-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-009-1/} }