%0 Journal Article
%A Riddell, J.
%T Sets of integers containing no n terms in geometric progression
%J Glasgow mathematical journal
%D 1969
%P 137-146
%V 10
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000690/
%R 10.1017/S0017089500000690
%F 10_1017_S0017089500000690