%0 Journal Article %A J.M. Sanz-Serna %A T. Ortega %T Nonlinear stability and convergence of finite-differnce methods for the %J Numerische Mathematik %D 1990 %P 215-230 %V 58 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133497/ %F NUMA_1990__58_5_133497