TY  - JOUR
AU  - Reinhard Mennicken
AU  - Manfred Möller
TI  - Equivalence of Boundary Eigenvalue Operator Fuctions and their Characteristic Matrix Functions.
JO  - Mathematische Annalen
PY  - 1987
SP  - 267
EP  - 276
VL  - 279
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1987__279_3_164322/
ID  - MAN_1987__279_3_164322
ER  -