@article{DAN_1960_133_5_a4,
     author = {Yu. V. Linnik},
     title = {The sixth moment for the $L$-series and an asymptotic formula in {Hardy{\textendash}Littlewood's} problem},
     journal = {Doklady Akademii Nauk},
     pages = {1015--1016},
     year = {1960},
     volume = {133},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_5_a4/}
}