%0 Journal Article
%A Andrzej Nowicki
%T An example of a simple derivation in two variables
%J Colloquium Mathematicum
%D 2008
%P 25-31
%V 113
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm113-1-3/
%R 10.4064/cm113-1-3
%G en
%F 10_4064_cm113_1_3