%0 Journal Article %A J. Bourgain %A B. S. Kashin %T Uniform approximation of partial sums of a~Dirichlet series by shorter sums and $\Phi$-widths %J Sbornik. Mathematics %D 2012 %P 1736-1760 %V 203 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2012_203_12_a3/ %G en %F SM_2012_203_12_a3