@article{JTNB_2012__24_2_475_0,
     author = {Sutherland, Andrew V.},
     title = {A local-global principle for rational isogenies of prime degree},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {475--485},
     publisher = {Soci\'et\'e Arithm\'etique de Bordeaux},
     volume = {24},
     number = {2},
     year = {2012},
     doi = {10.5802/jtnb.807},
     zbl = {1276.11095},
     mrnumber = {2950703},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jtnb.807/}
}