TY  - JOUR
AU  - Zhitomirskii, M.
TI  - Relative Darboux Theorem for Singular Manifolds and Local Contact Algebra
JO  - Canadian journal of mathematics
PY  - 2005
SP  - 1314
EP  - 1340
VL  - 57
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-053-9/
DO  - 10.4153/CJM-2005-053-9
ID  - 10_4153_CJM_2005_053_9
ER  -