%0 Journal Article %A C.L. Stewart %A J.-H. Evertse %A K. Györy %T On S-unit equations in two unknowns. %J Inventiones mathematicae %D 1988 %P 461-478 %V 92 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1988__92_1_143578/ %F IM_1988__92_1_143578