%0 Journal Article %A Jeffrey Bergen %A Piotr Grzeszczuk %T Skew derivations and the nil and prime radicals %J Colloquium Mathematicum %D 2012 %P 229-236 %V 128 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm128-2-8/ %R 10.4064/cm128-2-8 %G en %F 10_4064_cm128_2_8