%0 Journal Article %A J.C. Butcher %A R.P.K. Chan %T On symmetrizers for Gauss methods. %J Numerische Mathematik %D 1991 %P 465-476 %V 60 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133601/ %F NUMA_1991__60_4_133601