%0 Journal Article %A Hoshino, K. %A Kikuchi, N. %T Gehring theory for time-discrete hyperbolic differential equations %J Commentationes Mathematicae Universitatis Carolinae %D 1998 %P 697-707 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1998__39_4_a5/ %G en %F CMUC_1998__39_4_a5