TY  - JOUR
AU  - Lu, Jiang-Hua
AU  - Ratiu, Tudor
TI  - On the nonlinear convexity theorem of Kostant
JO  - Journal of the American Mathematical Society
PY  - 1991
SP  - 349
EP  - 363
VL  - 04
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1086967-2/
DO  - 10.1090/S0894-0347-1991-1086967-2
ID  - 10_1090_S0894_0347_1991_1086967_2
ER  -