%0 Journal Article
%A NIESZPORSKI, M.
%A SANTINI, P.M.
%T THE SELF-ADJOINT 5-POINT AND 7-POINT DIFFERENCE OPERATORS, THE ASSOCIATED DIRICHLET PROBLEMS, DARBOUX TRANSFORMATIONS AND LELIEUVRE FORMULAE
%J Glasgow mathematical journal
%D 2005
%P 133-147
%V 47
%N A
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089505002351/
%R 10.1017/S0017089505002351
%F 10_1017_S0017089505002351