TY  - JOUR
AU  - Y. Eliashberg
TI  - Classification of overtwisted contact structures on 3-manifolds.
JO  - Inventiones mathematicae
PY  - 1989
SP  - 623
EP  - 638
VL  - 98
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1989__98_1_143746/
ID  - IM_1989__98_1_143746
ER  -