%0 Journal Article
%A Bolten, Matthias
%T Hierarchical grid coarsening for the solution of the Poisson equation in free space
%J Electronic transactions on numerical analysis
%D 2008
%V 29
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ETNA_2008__29__a9/
%G en
%F ETNA_2008__29__a9