@article{JTNB_2006__18_1_223_0,
     author = {McAfee, Erin and Williams, Kenneth S.},
     title = {An arithmetic formula of {Liouville}},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {223--239},
     publisher = {Universit\'e Bordeaux 1},
     volume = {18},
     number = {1},
     year = {2006},
     doi = {10.5802/jtnb.541},
     zbl = {05070455},
     mrnumber = {2245883},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.541/}
}