%0 Journal Article %A J. Coates %T An effective p-adic analogue of a theorem of Thue III. The diophantine equation $y^2 = x^2 + k$ %J Acta Arithmetica %D 1969 %P 425-436 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-16-4-425-436/ %R 10.4064/aa-16-4-425-436 %G en %F 10_4064_aa_16_4_425_436