@article{10_4064_aa100_1_8,
     author = {D. A. Goldston and C. Y. Y{\i}ld{\i}r{\i}m},
     title = {On the second moment for primes in
an arithmetic progression},
     journal = {Acta Arithmetica},
     pages = {85--104},
     publisher = {mathdoc},
     volume = {100},
     number = {1},
     year = {2001},
     doi = {10.4064/aa100-1-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa100-1-8/}
}