Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1993_333_2_a2, author = {A. A. Karatsuba}, title = {Distribution of inverse values in a residue ring modulo a given}, journal = {Doklady Akademii Nauk}, pages = {138--139}, publisher = {mathdoc}, volume = {333}, number = {2}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_2_a2/} }
A. A. Karatsuba. Distribution of inverse values in a residue ring modulo a given. Doklady Akademii Nauk, Tome 333 (1993) no. 2, pp. 138-139. http://geodesic.mathdoc.fr/item/DAN_1993_333_2_a2/