@article{JLT_2003_13_2_JLT_2003_13_2_a5,
     author = {T. Ton-That and T.-D. Tran },
     title = {Invariant {Theory} of a {Class} of {Infinite-Dimensional} {Groups}},
     journal = {Journal of Lie theory},
     pages = {401--425},
     year = {2003},
     volume = {13},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JLT_2003_13_2_JLT_2003_13_2_a5/}
}