@article{bavard:hal-02373787,
TITLE = {Hyperbolicit\'e du graphe des rayons et quasi-morphismes sur un gros groupe modulaire},
AUTHOR = {Bavard, Juliette},
URL = {https://hal.science/hal-02373787},
JOURNAL = {Geometry and Topology},
PUBLISHER = {Mathematical Sciences Publishers},
VOLUME = {20},
NUMBER = {1},
PAGES = {491-535},
YEAR = {2016},
DOI = {10.2140/gt.2016.20.491},
HAL_ID = {hal-02373787},
HAL_VERSION = {v1},
}