%0 Journal Article %A Germund Dahlquist %T On Transformations of Graded Matrices, with Applications to Stiff ODE's. %J Numerische Mathematik %D 1985 %P 363-386 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1985__47_133039/ %F NUMA_1985__47_133039