%0 Journal Article
%A Sheehan, J.
%T On Pólya's Theorem
%J Canadian journal of mathematics
%D 1967
%P 792-799
%V 19
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-073-x/
%R 10.4153/CJM-1967-073-x
%F 10_4153_CJM_1967_073_x