@article{TRSPY_1977_143_a0,
     author = {G. I. Arkhipov and A. A. Karatsuba and V. N. Chubarikov},
     title = {An upper bound of the modulus of a~multiple trigonometric sum},
     journal = {Informatics and Automation},
     pages = {3--31},
     publisher = {mathdoc},
     volume = {143},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1977_143_a0/}
}