TY  - JOUR
AU  - Chernov, Vladimir
AU  - Nemirovski, Stefan
TI  - Non-negative Legendrian isotopy in ST∗M
JO  - Geometry & topology
PY  - 2010
SP  - 611
EP  - 626
VL  - 14
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/gt.2010.14.611/
DO  - 10.2140/gt.2010.14.611
ID  - GT_2010_14_1_a13
ER  -