%0 Journal Article %A P.J. van der Houwen %T Explicit Runge-Kutta Formulas with Increased Stability Boundaries. %J Numerische Mathematik %D 1972 %P 149-164 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1972__20_132181/ %F NUMA_1972__20_132181