@article{10_4064_aa131_4_4,
     author = {Olivier Ramar\'e and Jan-Christoph Schlage-Puchta},
     title = {Improving on the {Brun{\textendash}Titchmarsh} theorem},
     journal = {Acta Arithmetica},
     pages = {351--366},
     publisher = {mathdoc},
     volume = {131},
     number = {4},
     year = {2008},
     doi = {10.4064/aa131-4-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa131-4-4/}
}