@article{DAN_1980_254_6_a3,
     author = {L. A. Takhtadzhyan and A. I. Vinogradov},
     title = {On analogues of the {Vinogradov-Gauss} formula},
     journal = {Doklady Akademii Nauk},
     pages = {1298--1301},
     publisher = {mathdoc},
     volume = {254},
     number = {6},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_6_a3/}
}