Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1997_218_a4, author = {S. V. Bochkarev}, title = {On a~method for estimating the $L_1$-norm of an exponential sum}, journal = {Informatics and Automation}, pages = {74--76}, publisher = {mathdoc}, volume = {218}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1997_218_a4/} }
S. V. Bochkarev. On a~method for estimating the $L_1$-norm of an exponential sum. Informatics and Automation, Analytic number theory and applications, Tome 218 (1997), pp. 74-76. http://geodesic.mathdoc.fr/item/TRSPY_1997_218_a4/