Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1975_17_1_a17, author = {G. I. Arkhipov}, title = {Mean-value theorem for the modulus of multiple trigonometric sums}, journal = {Matemati\v{c}eskie zametki}, pages = {143--153}, publisher = {mathdoc}, volume = {17}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1975_17_1_a17/} }
G. I. Arkhipov. Mean-value theorem for the modulus of multiple trigonometric sums. Matematičeskie zametki, Tome 17 (1975) no. 1, pp. 143-153. http://geodesic.mathdoc.fr/item/MZM_1975_17_1_a17/