@article{DAN_1965_165_1_a7,
     author = {A. A. Karatsuba},
     title = {On estimation of the number of solutions of certain equations},
     journal = {Doklady Akademii Nauk},
     pages = {31--32},
     publisher = {mathdoc},
     volume = {165},
     number = {1},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a7/}
}