TY  - JOUR
AU  - J. van Leeuwen
TI  - On the fixpoints of monogenic functions in free monoids.
JO  - Semigroup forum
PY  - 1975
SP  - 315
EP  - 328
VL  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1975__10_134123/
ID  - SF_1975__10_134123
ER  -