@article{EP_2008_22_a3,
     author = {Jean-Michel Coron},
     title = {Controllability and nonlinearity},
     journal = {ESAIM. Proceedings},
     pages = {21--39},
     publisher = {mathdoc},
     volume = {22},
     year = {2008},
     doi = {10.1051/proc:072203},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc:072203/}
}