%0 Journal Article %A Konstantinos A. Draziotis %T The Ljunggren equation revisited %J Colloquium Mathematicum %D 2007 %P 9-11 %V 109 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm109-1-2/ %R 10.4064/cm109-1-2 %G en %F 10_4064_cm109_1_2