@article{M2AN_2007__41_6_1021_0, author = {Fatone, Lorella and Funaro, Daniele and Scannavini, Valentina}, title = {Finite-difference preconditioners for superconsistent pseudospectral approximations}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {1021--1039}, publisher = {EDP-Sciences}, volume = {41}, number = {6}, year = {2007}, doi = {10.1051/m2an:2007052}, mrnumber = {2377105}, zbl = {1133.65103}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1051/m2an:2007052/} }