@article{IM2_1988_30_2_a6,
     author = {N. M. Timofeev},
     title = {Distribution in the mean of arithmetic functions in short intervals in progressions},
     journal = {Izvestiya. Mathematics},
     pages = {315--335},
     year = {1988},
     volume = {30},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1988_30_2_a6/}
}