Media type: E-Article Title: Sums of continuous and differentiable functions in dynamical systems Contributor: Liardet, Pierre; Volný, Dalibor imprint: Springer Science and Business Media LLC, 1997 Published in: Israel Journal of Mathematics Language: English DOI: 10.1007/bf02937328 ISSN: 0021-2172; 1565-8511 Origination: Footnote: