%0 Journal Article %A L. Hajdu %A N. Saradha %T On a problem of Pillai and its generalizations %J Acta Arithmetica %D 2010 %P 323-347 %V 144 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa144-4-2/ %R 10.4064/aa144-4-2 %G en %F 10_4064_aa144_4_2