%0 Journal Article %A Pierre Debes %A Mike Fried %T Arithmetic variation of fibers in families of curves. Part I: Hurwitz monodromy criteria for rational points on all members of the familiy. %J Journal für die reine und angewandte Mathematik %D 1990 %P 106-137 %V 409 %I mathdoc %U http://geodesic.mathdoc.fr/item/JRAM_1990__409_153250/ %F JRAM_1990__409_153250