@article{JRAM_1977__0293_0294_151891,
     author = {Christopher Hooley},
     title = {On power-free numbers and polynomials. {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {67--85},
     publisher = {mathdoc},
     volume = {0293_0294},
     year = {1977},
     zbl = {0354.10038},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1977__0293_0294_151891/}
}