@article{10_4153_CMB_2002_012_1,
     author = {Hall, R. R. and Shiu, P.},
     title = {The {Distribution} of {Totatives}},
     journal = {Canadian mathematical bulletin},
     pages = {109--114},
     year = {2002},
     volume = {45},
     number = {1},
     doi = {10.4153/CMB-2002-012-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-012-1/}
}