%0 Journal Article
%A Lu, Jiang-Hua
%A Ratiu, Tudor
%T On the nonlinear convexity theorem of Kostant
%J Journal of the American Mathematical Society
%D 1991
%P 349-363
%V 04
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1086967-2/
%R 10.1090/S0894-0347-1991-1086967-2
%F 10_1090_S0894_0347_1991_1086967_2