%0 Journal Article %A E. Hairer %T Unconditionally Stable Methods for Second Order Differential Equations. %J Numerische Mathematik %D 1979 %P 373-380 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1979__32_132616/ %F NUMA_1979__32_132616