%0 Journal Article
%A Joseph H. Silverman
%A José  Felipe Voloch
%T A local-global criterion for dynamics on $\mathbb P^1$
%J Acta Arithmetica
%D 2009
%P 285-294
%V 137
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa137-3-8/
%R 10.4064/aa137-3-8
%G en
%F 10_4064_aa137_3_8