%0 Journal Article %A W. Duke %A Ö. Imamoḡlu %A Á. Tóth %T Geometric invariants for real quadratic fields %J Annals of mathematics %D 2016 %P 949-990 %V 184 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2016.184.3.8/ %R 10.4007/annals.2016.184.3.8 %G en %F 10_4007_annals_2016_184_3_8