@article{AIF_2009__59_5_1819_0,
     author = {Matsuda, Yoshifumi},
     title = {Groups of real analytic diffeomorphisms of the circle with a finite image under the rotation number function},
     journal = {Annales de l'Institut Fourier},
     pages = {1819--1845},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {59},
     number = {5},
     year = {2009},
     doi = {10.5802/aif.2477},
     mrnumber = {2573191},
     zbl = {1181.37063},
     language = {en},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2477/}
}