@article{JTNB_2007__19_2_405_0,
     author = {Gaulter, Mark},
     title = {Characteristic vectors of unimodular lattices which represent two},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {405--414},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {2},
     year = {2007},
     doi = {10.5802/jtnb.594},
     mrnumber = {2394894},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.594/}
}