@article{DOCMA_2007__12__a0,
     author = {Jetchev, Dimitar P. and Stein, William A.},
     title = {Visibility of the {Shafarevich-Tate} group at higher level},
     journal = {Documenta mathematica},
     pages = {673--696},
     publisher = {mathdoc},
     volume = {12},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2007__12__a0/}
}