%0 Journal Article %A A. Pollington %T On generalised arithmetic and geometric progressions %J Acta Arithmetica %D 1981 %P 255-262 %V 40 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-40-3-255-262/ %R 10.4064/aa-40-3-255-262 %G en %F 10_4064_aa_40_3_255_262