%0 Journal Article %A Ian Connell %T Calculating Root Numbers of Elliptic curves over Q. %J Manuscripta mathematica %D 1994 %P 93-104 %V 82 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1994__82_1_155919/ %F MM2_1994__82_1_155919