%0 Journal Article %A T.E. HULL %A W.A. LUXEMBURG %T Numerical methods and existence theorems for ordinary differential equations. %J Numerische Mathematik %D 1960 %P 30-41 %V 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1960__2_131442/ %F NUMA_1960__2_131442