TY - JOUR AU - Wu-yi Hsiang AU - Wu-Teh Hsiang TI - On the uniqueness of isoperimetric solutions and imbedded soap bubbles in non-compact symmetric spaces, I. JO - Inventiones mathematicae PY - 1989 SP - 39 EP - 58 VL - 98 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__98_1_143719/ ID - IM_1989__98_1_143719 ER -