%0 Journal Article %T Separability of CP-graded ring extensions %A Lhoussain El Fadil %J Arabian Journal of Mathematics %@ 2193-5351 %D 2012 %I %R 10.1007/s40065-012-0034-1 %K 12Kxx %K 15A63 %U http://link.springer.com/article/10.1007/s40065-012-0034-1