%0 Journal Article
%A Carlson, Robert
%T Adjoint and self-adjoint differential operators on graphs
%J Electronic Journal of Differential Equations
%D 1998
%V 1998
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a2/
%G en
%F EJDE_1998__1998__a2