%0 Journal Article %A K. Schmidt %A L. van den Dries %T Bounds in the theory of polynomial rings over fields. A nonstandard approach. %J Inventiones mathematicae %D 1984 %P 77-92 %V 76 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1984__76_143117/ %F IM_1984__76_143117