%0 Journal Article %A Étienne Fouvry %A Jürgen Klüners %T On the negative Pell equation %J Annals of mathematics %D 2010 %P 2035-2104 %V 172 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.172.2035/ %R 10.4007/annals.2010.172.2035 %G en %F 10_4007_annals_2010_172_2035