%0 Journal Article %A Joseph H. Silverman %A Armand Brumer %T The number of elliptic curves over Q with conductor N. %J Manuscripta mathematica %D 1996 %P 95-102 %V 91 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1996__91_3_156217/ %F MM2_1996__91_3_156217