TY - JOUR AU - T. Ton-That AU - T.-D. Tran TI - Invariant Theory of a Class of Infinite-Dimensional Groups JO - Journal of Lie theory PY - 2003 SP - 401 EP - 425 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2003_13_2_JLT_2003_13_2_a5/ ID - JLT_2003_13_2_JLT_2003_13_2_a5 ER -