@article{RLIN_2001_9_12_2_a5,
     author = {Gallavotti, Giovanni},
     title = {Quasi periodic motions from {Hipparchus} to {Kolmogorov}},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {125--152},
     publisher = {mathdoc},
     volume = {Ser. 9, 12},
     number = {2},
     year = {2001},
     zbl = {1072.85001},
     mrnumber = {232910},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_2001_9_12_2_a5/}
}