TY  - JOUR
AU  - Leonid Makar-Limanov
AU  - Andrzej Nowicki
TI  - On the ring of constants
for derivations of power series rings
in two variables
JO  - Colloquium Mathematicum
PY  - 2001
SP  - 195
EP  - 200
VL  - 87
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm87-2-5/
DO  - 10.4064/cm87-2-5
LA  - en
ID  - 10_4064_cm87_2_5
ER  -