@article{10_4064_aa141_4_4,
     author = {Sungkon Chang},
     title = {Quadratic twists of elliptic curves
 with small {Selmer} rank},
     journal = {Acta Arithmetica},
     pages = {345--367},
     publisher = {mathdoc},
     volume = {141},
     number = {4},
     year = {2010},
     doi = {10.4064/aa141-4-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa141-4-4/}
}