%0 Journal Article
%A Cheeger, Jeff
%A Fukaya, Kenji
%A Gromov, Mikhael
%T Nilpotent structures and invariant metrics on collapsed manifolds
%J Journal of the American Mathematical Society
%D 1992
%P 327-372
%V 05
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1992-1126118-X/
%R 10.1090/S0894-0347-1992-1126118-X
%F 10_1090_S0894_0347_1992_1126118_X