%0 Journal Article %A H.J. STETTER %T On the convergence of characteristic finite-difference methods of high accuracy for quasi-linear hyperbolic equations. %J Numerische Mathematik %D 1961 %P 321-344 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1961__3_131504/ %F NUMA_1961__3_131504