TY  - JOUR
AU  - Detlef Gronau
TI  - Two iterative functional equations for power series.
JO  - Aequationes mathematicae
PY  - 1982
SP  - 233
EP  - 246
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1982__25_136966/
ID  - AM2_1982__25_136966
ER  -