%0 Journal Article %A W. Ljunggern %T On the diophantine equation y²-k=x³ %J Acta Arithmetica %D 1962 %P 451-463 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-8-4-451-463/ %R 10.4064/aa-8-4-451-463 %G en %F 10_4064_aa_8_4_451_463