%0 Journal Article
%A X.-P. Xu 
%T Tree Diagram Lie Algebras of Differential Operators and Evolution Partial Differential Equations
%J Journal of Lie theory
%D 2006
%P 691-618
%V 16
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JLT_2006_16_4_JLT_2006_16_4_a3/
%F JLT_2006_16_4_JLT_2006_16_4_a3