TY  - JOUR
AU  - Vlastimil Pták
TI  - An operator-theoretic approach to theorems of the Pick-Nevanlinna and carathéodory types.
JO  - Manuscripta mathematica
PY  - 1988
SP  - 131
EP  - 144
VL  - 62
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1988__62_3_155336/
ID  - MM2_1988__62_3_155336
ER  -