%0 Journal Article
%A Piotr Jędrzejewicz
%T A note on characterizations of rings of constants
 with respect to derivations
%J Colloquium Mathematicum
%D 2004
%P 51-53
%V 99
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm99-1-5/
%R 10.4064/cm99-1-5
%G en
%F 10_4064_cm99_1_5