@article{DAN_1962_144_1_a12,
     author = {G. I. Perel'muter},
     title = {A bound for a sum with primes},
     journal = {Doklady Akademii Nauk},
     pages = {48--51},
     publisher = {mathdoc},
     volume = {144},
     number = {1},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a12/}
}