%0 Journal Article %A Kazimierz Szymiczek %T Note on a paper by T. Nagell %J Acta Arithmetica %D 1973 %P 313-314 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-25-3-313-314/ %R 10.4064/aa-25-3-313-314 %G en %F 10_4064_aa_25_3_313_314