%0 Journal Article
%A P. Oswald
%T On $N$-Termed Approximations in $H^s$-Norms with Respect to the Haar System
%J Contemporary Mathematics. Fundamental Directions
%D 2007
%P 106-125
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2007_25_a9/
%G ru
%F CMFD_2007_25_a9