%0 Journal Article %A S. V. Bochkarev %T A~Method for Estimating the $L_1$ Norm of an Exponential Sum Based on Arithmetic Properties of the Spectrum %J Informatics and Automation %D 2001 %P 94-101 %V 232 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2001_232_a9/ %G ru %F TRSPY_2001_232_a9