TY  - JOUR
AU  - J.D. Becker
AU  - E.T. Ordman
TI  - On Functions Defined by Iterations of Each Other.
JO  - Aequationes mathematicae
PY  - 1972
SP  - 238
EP  - 241
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1972__8_136296/
ID  - AM2_1972__8_136296
ER  -