@article{CMJ_2004__54_4_a7,
     author = {Clary, Stuart and Fabrykowski, Jacek},
     title = {Arithmetic progressions, prime numbers, and squarefree integers},
     journal = {Czechoslovak Mathematical Journal},
     pages = {915--927},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2004},
     mrnumber = {2100004},
     zbl = {1080.11012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_4_a7/}
}