@article{10_4064_aa_20_4_417_421,
     author = {J. Porter},
     title = {Some numerical results in the {Selberg} sieve method},
     journal = {Acta Arithmetica},
     pages = {417--421},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1972},
     doi = {10.4064/aa-20-4-417-421},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-20-4-417-421/}
}