%0 Journal Article %A S. V. Bochkarev %T de la Vall\'ee-Poussin means of Fourier series for the quadratic spectrum and for spectra with power-like density %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2014 %P 119-152 %V 69 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2014_69_1_a2/ %G en %F RM_2014_69_1_a2