@article{ZNSL_1993_204_a0,
     author = {A. I. Vinogradov},
     title = {The {Hardy--Littlewood} conjecture. {An} algebraic approach},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--10},
     publisher = {mathdoc},
     volume = {204},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1993_204_a0/}
}