%0 Journal Article %A Keisuke Arai %A Fumiyuki Momose %T Points on $X_0^+(N)$ over quadratic fields %J Acta Arithmetica %D 2012 %P 159-173 %V 152 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa152-2-3/ %R 10.4064/aa152-2-3 %G en %F 10_4064_aa152_2_3