@article{05232997, title = {Visibility of Mordell-Weil groups.}, journal = {Documenta Mathematica}, volume = {12}, year = {2007}, pages = {587-606}, zbl = {1141.11033}, language = {en}, url = {http://dml.mathdoc.fr/item/05232997} }
Stein, William A. Visibility of Mordell-Weil groups.. Documenta Mathematica, Tome 12 (2007) pp. 587-606. http://gdmltest.u-ga.fr/item/05232997/