%0 Journal Article
%A E. G. F. Thomas 
%T An Invariant Symmetric Non-Selfadjoint Differential Operator
%J Journal of Lie theory
%D 2002
%P 245-257
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JLT_2002_12_1_JLT_2002_12_1_a11/
%F JLT_2002_12_1_JLT_2002_12_1_a11