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@article{DAN_1974_219_1_a5, author = {F. B. Koval'chik}, title = {Density theorems and the distribution of primes in sectors and progressions}, journal = {Doklady Akademii Nauk}, pages = {31--34}, publisher = {mathdoc}, volume = {219}, number = {1}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_1_a5/} }
F. B. Koval'chik. Density theorems and the distribution of primes in sectors and progressions. Doklady Akademii Nauk, Tome 219 (1974) no. 1, pp. 31-34. http://geodesic.mathdoc.fr/item/DAN_1974_219_1_a5/