%0 Journal Article %A M.N. Spijker %T On the Possibility of Two-Sided Error Bounds in the Numerical Solution of Initial Value Problems. %J Numerische Mathematik %D 1976 %P 271-300 %V 26 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1976__26_132414/ %F NUMA_1976__26_132414