%0 Journal Article %A R.L. Goodstein %T Diophantine Equations in Recursive Difference. %J Mathematica Scandinavica %D 1964 %P 43-48 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1964__15_165887/ %F MS2_1964__15_165887