Cai, Yao Xiong; Chen, Er Ming Concavity-convexity of a class of accurate solutions to the Feigenbaum functional equation. (Chinese. English summary) Zbl 1228.37031 J. Huaqiao Univ., Nat. Sci. 26, No. 1, 27-30 (2005). Cited in 1 Document MSC: 37E05 Dynamical systems involving maps of the interval (piecewise continuous, continuous, smooth) 39B12 Iteration theory, iterative and composite equations PDF BibTeX XML Cite \textit{Y. X. Cai} and \textit{E. M. Chen}, J. Huaqiao Univ., Nat. Sci. 26, No. 1, 27--30 (2005; Zbl 1228.37031)