%0 Journal Article
%A Zhitomirskii, M.
%T Relative Darboux Theorem for Singular Manifolds and Local Contact Algebra
%J Canadian journal of mathematics
%D 2005
%P 1314-1340
%V 57
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-053-9/
%R 10.4153/CJM-2005-053-9
%F 10_4153_CJM_2005_053_9