@article{DAN_1970_192_4_a4,
     author = {A. A. Karatsuba},
     title = {The distribution of products of shifted prime numbers in arithmetic progressions},
     journal = {Doklady Akademii Nauk},
     pages = {724--727},
     year = {1970},
     volume = {192},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_192_4_a4/}
}