%0 Journal Article %A Wathen, Andy %A Rees, Tyrone %T Chebyshev semi-iteration in preconditioning for problems including the mass matrix %J Electronic transactions on numerical analysis %D 2009 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2009__34__a5/ %G en %F ETNA_2009__34__a5