%0 Journal Article
%A Beattie, Christopher
%T Harmonic Ritz and Lehmann bounds
%J Electronic transactions on numerical analysis
%D 1998
%P 18-39
%V 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ETNA_1998__7__a11/
%G en
%F ETNA_1998__7__a11