@article{10_4064_aa_20_3_267_289,
     author = {R. Hall},
     title = {On the probability that n and f(n) are relatively prime {III}},
     journal = {Acta Arithmetica},
     pages = {267--289},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1972},
     doi = {10.4064/aa-20-3-267-289},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-20-3-267-289/}
}