| BÖDEWADT U T. Zur Iteration Reeller Funktionen[J]. Math Z, 1943, 49(1): 497-516. |
| ABEL N H. Oeuvres Completes [J]. Christiania, 1881(2): 36-39. |
| KOENIGS G. Recherches Sur Lesintegrals De Certains Equations Fonctionnelles[J]. Ann Ecole Norm Sup, 1884, 1: 3-41. |
| KUCZMA M. Functional Equations in a Single Variable[M]. Warsaw: PolishScienti cPubl, 1968. |
| ISAACS R. Iteraties of Fractional Order[J]. Canad J Math, 1950, 2: 409-416. |
| TARGONSKI G. Topics in Iteration Theory[M]. Göttingen: Vandenhoeck and Ruprecht, 1981. |
| LIU X H. Iteration and Iterative Roots of Fractional Polynomial Function[J]. International Journal of Mathematics and Mathematical Sciences, 2012, 2012: 1-10. |
| 刘晓华, 侯学刚.关于3类函数的迭代根[J].西南师范大学学报(自然科学版), 2014, 39(6): 21-24. |
| 张景中, 杨路.论逐段单调连续函数的迭代根[J].数学学报, 1983, 26(4): 398-412. |
| ZHANG W N. PM Functions, Their Characteristic Intervals and Iterative Roots[J]. Ann Polon Math, 1997, 65(2): 119-128. |
| 孙太祥, 席鸿建.区间上N型函数的迭代根[J].数学研究, 1996, 29(2): 40-45. |
| 孙太祥.区间上反N型函数的迭代根[J].数学研究, 2000, 33(3): 274-284. doi: 10.3969/j.issn.1006-6837.2000.03.006 |
| 张广远.一类线段自映射的共轭与迭代根(Ⅰ)[J].数学年刊, 1992, 28(1): 33-40. |
| 张广远.一类线段自映射的共轭与迭代根(Ⅱ)[J].数学年刊, 1992, 28(4): 473-478. |
| LI L, YANG D L, ZHANG W N. A Note on Iterative Roots of PM Functions[J]. J Math Anal Apppl, 2008, 341(2): 1482-1486. |
| LIU L, JARCZYK W, LI L, et al. Iterative Roots of Piecewise Monotonic Functions of Non-Monotonicity Height Not Less Than 2[J]. Nonlinear Anal, 2012, 75(1): 286-303. |