%0 Journal Article %A Scott Ahlgren %T A congruence for the coefficients in a series for $\pi $ %J Acta Arithmetica %D 2003 %P 157-160 %V 107 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa107-2-3/ %R 10.4064/aa107-2-3 %G en %F 10_4064_aa107_2_3