%0 Journal Article
%A Erlangga, Yogi A.
%A Nabben, Reinhard
%T On a multilevel Krylov method for the Helmholtz equation preconditioned by shifted Laplacian
%J Electronic transactions on numerical analysis
%D 2008
%P 403-424
%V 31
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ETNA_2008__31__a0/
%G en
%F ETNA_2008__31__a0