%0 Journal Article %A Lambers, James V. %T Krylov subspace spectral methods for variable-coefficient initial-boundary value problems %J Electronic transactions on numerical analysis %D 2005 %P 212-234 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2005__20__a2/ %G en %F ETNA_2005__20__a2