%0 Journal Article %A Stanisław Knapowski %T On Siegel's Theorem %J Acta Arithmetica %D 1968 %P 417-424 %V 14 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-14-4-417-424/ %R 10.4064/aa-14-4-417-424 %G de %F 10_4064_aa_14_4_417_424