@article{10_1090_S0894_0347_99_00324_0,
     author = {de Faria, Edson and de Melo, Welington},
     title = {Rigidity of critical circle mappings {II}},
     journal = {Journal of the American Mathematical Society},
     pages = {343--370},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2000},
     doi = {10.1090/S0894-0347-99-00324-0},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-99-00324-0/}
}