%0 Journal Article %A D. Choi %T On values of a modular form on $\Gamma _0(N)$ %J Acta Arithmetica %D 2006 %P 299-311 %V 121 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa121-4-1/ %R 10.4064/aa121-4-1 %G en %F 10_4064_aa121_4_1