%0 Journal Article
%A Agrachev, A.
%A Marigo, A.
%T Nonholonomic tangent spaces: intrinsic construction and rigid dimensions
%J Electronic research announcements of the American Mathematical Society
%D 2003
%P 111-120
%V 09
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-03-00118-5/
%R 10.1090/S1079-6762-03-00118-5
%F ERAAMS_2003_09_a13