%0 Journal Article %A Piotr Jędrzejewicz %T A note on rings of constants of derivations in integral domains %J Colloquium Mathematicum %D 2011 %P 241-245 %V 122 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm122-2-9/ %R 10.4064/cm122-2-9 %G en %F 10_4064_cm122_2_9