%0 Journal Article
%A Jason P. Bell
%A Jeffrey C. Lagarias
%T $3x+1$ inverse orbit generating functions
 almost always have natural boundaries
%J Acta Arithmetica
%D 2015
%P 101-120
%V 170
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/aa170-2-1/
%R 10.4064/aa170-2-1
%G en
%F 10_4064_aa170_2_1