@article{CMH_1984__59_139964,
     author = {J\"urgen Moser and J\"urgen P\"oschel},
     title = {An extension of a result by {Dinaburg} and {Sinai} on quasi-periodic potentials.},
     journal = {Commentarii mathematici Helvetici},
     pages = {39--85},
     publisher = {mathdoc},
     volume = {59},
     year = {1984},
     zbl = {0533.34023},
     url = {http://geodesic.mathdoc.fr/item/CMH_1984__59_139964/}
}