%0 Journal Article %A Tuong Ton-That %A Thai-Duong Tran %T Invariant Theory of a Class of Infinite-Dimensional Groups %J Journal of Lie Theory %D 2003 %P 401-425 %V 13 %N 2 %U http://geodesic.mathdoc.fr/item/JOLT_2003_13_2_a5/ %F JOLT_2003_13_2_a5