@article{EP_2014_45_a1,
     author = {Pierre Degond and S\'ebastien Motsch},
     title = {Collective dynamics and self-organization: some challenges and an example},
     journal = {ESAIM. Proceedings},
     pages = {1--7},
     year = {2014},
     volume = {45},
     doi = {10.1051/proc/201445001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc/201445001/}
}