%0 Journal Article
%A Reinhard Mennicken
%A Manfred Möller
%T Equivalence of Boundary Eigenvalue Operator Fuctions and their Characteristic Matrix Functions.
%J Mathematische Annalen
%D 1987
%P 267-276
%V 279
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164322/
%F MAN_1987__279_3_164322