TY  - JOUR
AU  - Li, Tao
TI  - Saddle tangencies and the distance of Heegaard splittings
JO  - Algebraic and Geometric Topology
PY  - 2007
SP  - 1119
EP  - 1134
VL  - 7
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.1119/
DO  - 10.2140/agt.2007.7.1119
ID  - 10_2140_agt_2007_7_1119
ER  -