%0 Journal Article %A R.A. DeVore %A V.N. Temlyakov %T Nonlinear Approximation by Trigonometric Sums. %J The journal of Fourier analysis and applications [[Elektronische Ressource]] %D 1995 %P 29-48 %V 2 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JFAA_1995__2_2_59467/ %F JFAA_1995__2_2_59467