TY - JOUR AU - Wathen, Andy AU - Rees, Tyrone TI - Chebyshev semi-iteration in preconditioning for problems including the mass matrix JO - Electronic transactions on numerical analysis PY - 2009 VL - 34 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ETNA_2009__34__a5/ LA - en ID - ETNA_2009__34__a5 ER -