@article{MAN_1905__60_158185,
     author = {G. Faber},
     title = {\"Uber die {Abz\"ahlbarkeit} der rationalen {Zahlen}},
     journal = {Mathematische Annalen},
     pages = {196--203},
     year = {1905},
     volume = {60},
     zbl = {36.0100.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1905__60_158185/}
}