Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1970_193_5_a7, author = {B. V. Levin and N. M. Timofeev}, title = {Sums of multiplicative functions}, journal = {Doklady Akademii Nauk}, pages = {992--995}, publisher = {mathdoc}, volume = {193}, number = {5}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a7/} }
B. V. Levin; N. M. Timofeev. Sums of multiplicative functions. Doklady Akademii Nauk, Tome 193 (1970) no. 5, pp. 992-995. http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a7/