%0 Journal Article
%A Littlejohn,  Lance L.
%A Zettl,  Anton
%T The Legendre equation and its self-adjoint operators
%J Electronic journal of differential equations
%D 2011
%V 2011
%U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a27/
%G en
%F EJDE_2011__2011__a27