@article{JTNB_2006__18_2_345_0,
     author = {Dummigan, Neil},
     title = {On a conjecture of {Watkins}},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {345--355},
     publisher = {Universit\'e Bordeaux 1},
     volume = {18},
     number = {2},
     year = {2006},
     doi = {10.5802/jtnb.548},
     zbl = {05135394},
     mrnumber = {2289428},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.548/}
}