@article{05232999, title = {Visibility of the Shafarevich-Tate group at higher level.}, journal = {Documenta Mathematica}, volume = {12}, year = {2007}, pages = {673-696}, zbl = {1141.11032}, language = {en}, url = {http://dml.mathdoc.fr/item/05232999} }
Jetchev, Dimitar P.; Stein, William A. Visibility of the Shafarevich-Tate group at higher level.. Documenta Mathematica, Tome 12 (2007) pp. 673-696. http://gdmltest.u-ga.fr/item/05232999/