@article{10_4064_aa_65_2_117_135,
     author = {Jukka Pihko},
     title = {Proof of a conjecture of {Selmer}},
     journal = {Acta Arithmetica},
     pages = {117--135},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {1993},
     doi = {10.4064/aa-65-2-117-135},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-65-2-117-135/}
}