@article{GDZPPN002235110, title = {Calculating Root Numbers of Elliptic curves over Q.}, journal = {Manuscripta mathematica}, volume = {83}, year = {1994}, pages = {93-104}, zbl = {0805.14017}, url = {http://dml.mathdoc.fr/item/GDZPPN002235110} }
Connell, Ian. Calculating Root Numbers of Elliptic curves over Q.. Manuscripta mathematica, Tome 83 (1994) pp. 93-104. http://gdmltest.u-ga.fr/item/GDZPPN002235110/