@article{IM2_1995_59_6_a8,
     author = {N. M. Timofeev},
     title = {The {Hardy--Littlewood} problem for numbers with a~fixed number of prime divisors},
     journal = {Izvestiya. Mathematics },
     pages = {1283--1309},
     publisher = {mathdoc},
     volume = {59},
     number = {6},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_59_6_a8/}
}