@article{10_4064_aa106_1_1,
     author = {Gennady Bachman},
     title = {On a {Brun{\textendash}Titchmarsh} inequality for
 multiplicative functions},
     journal = {Acta Arithmetica},
     pages = {1--25},
     year = {2003},
     volume = {106},
     number = {1},
     doi = {10.4064/aa106-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa106-1-1/}
}