%0 Journal Article %A Pierre Degond %A Sébastien Motsch %T Collective dynamics and self-organization: some challenges and an example %J ESAIM. Proceedings %D 2014 %P 1-7 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/proc/201445001/ %R 10.1051/proc/201445001 %G en %F EP_2014_45_a1