TY  - JOUR
AU  - Robert Magnus
TI  - On the Multiplicity of an Analytic Operator-Valued Function.
JO  - Mathematica Scandinavica
PY  - 1995
SP  - 108
EP  - 118
VL  - 77
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1995__77_2_167353/
ID  - MS2_1995__77_2_167353
ER  -