@article{JRAM_1977__289_151830,
     author = {A. Zulauf},
     title = {The distribution of {Farey} numbers.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {209--213},
     publisher = {mathdoc},
     volume = {289},
     year = {1977},
     zbl = {0336.10003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__289_151830/}
}