%0 Journal Article
%A Piroska Lakatos
%T Additive functions on trees
%J Colloquium Mathematicum
%D 2001
%P 135-145
%V 89
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm89-1-10/
%R 10.4064/cm89-1-10
%G en
%F 10_4064_cm89_1_10