TY - JOUR AU - G.J. Cooper AU - F.C.P. Whitworth TI - Liapunov Functions and Error Bounds for Approximate Solutions of Ordinary Differential Equations. JO - Numerische Mathematik PY - 1978 SP - 411 EP - 414 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1978__30_132559/ ID - NUMA_1978__30_132559 ER -