TY  - JOUR
AU  - C. Praagman
TI  - Iterations and logarithms of formal automorphisms. (Short Communication).
JO  - Aequationes mathematicae
PY  - 1985
SP  - 313
EP  - 314
VL  - 29
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1985__29_137101/
ID  - AM2_1985__29_137101
ER  -