%0 Journal Article %A Jürgen Moser %A Jürgen Pöschel %T An extension of a result by Dinaburg and Sinai on quasi-periodic potentials. %J Commentarii mathematici Helvetici %D 1984 %P 39-85 %V 59 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1984__59_139964/ %F CMH_1984__59_139964