@article{ASENS_2006_4_39_1_177_0,
     author = {Py, Pierre},
     title = {Quasi-morphismes et invariant de {Calabi}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {177--195},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 39},
     number = {1},
     year = {2006},
     doi = {10.1016/j.ansens.2005.11.003},
     mrnumber = {2224660},
     zbl = {1098.57014},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.1016/j.ansens.2005.11.003/}
}