%0 Journal Article %A Serra Capizzano, Stefano %A Tablino Possio, Cristina %T High-order finite difference schemes and Toeplitz based preconditioners for elliptic problems %J Electronic transactions on numerical analysis %D 2000 %P 55-84 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2000__11__a4/ %G en %F ETNA_2000__11__a4