%0 Journal Article %A Nir Ailon %A Zéev Rudnick %T Torsion points on curves and common divisors of $a^k-1$ and $b^k-1$ %J Acta Arithmetica %D 2004 %P 31-38 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa113-1-3/ %R 10.4064/aa113-1-3 %G en %F 10_4064_aa113_1_3