%0 Journal Article %A Lee, C. Y. %T Invariant Polynomials of Weyl Groups and Applications to the Centres of Universal Enveloping Algebras %J Canadian journal of mathematics %D 1974 %P 583-592 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-055-x/ %R 10.4153/CJM-1974-055-x %F 10_4153_CJM_1974_055_x