@article{10_4153_CJM_1988_028_9,
     author = {Frey, G.},
     title = {On the {Selmer} {Group} of {Twists} of {Elliptic} {Curves} with {Q-Rational} {Torsion} {Points}},
     journal = {Canadian journal of mathematics},
     pages = {649--665},
     year = {1988},
     volume = {40},
     number = {3},
     doi = {10.4153/CJM-1988-028-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-028-9/}
}