@article{IM2_1990_34_1_a9,
     author = {Z. Kh. Rakhmonov},
     title = {The distribution of {Hardy{\textendash}Littlewood} numbers in arithmetic progressions},
     journal = {Izvestiya. Mathematics},
     pages = {213--228},
     year = {1990},
     volume = {34},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1990_34_1_a9/}
}