中国科学院数学与系统科学研究院期刊网
Invariant Curves of Smooth Quasi-Periodic Reversible Mappings
Dong Feng ZHANG; Jun Xiang XU
Acta Mathematica Sinica, Chinese Series . 2007, (6): 1371 -138 .  DOI: 10.12386/A2007sxxb0160