%0 Journal Article %A Antone Costa %T Modular forms and class number congruences %J Acta Arithmetica %D 1992 %P 101-118 %V 61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-61-2-101-118/ %R 10.4064/aa-61-2-101-118 %G en %F 10_4064_aa_61_2_101_118