@article{SEDP_1992-1993____A14_0,
     author = {Coron, J.-M.},
     title = {Return method : application to controllability},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:14},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1992-1993},
     mrnumber = {1240555},
     zbl = {0872.93041},
     language = {en},
     url = {http://archive.numdam.org/item/SEDP_1992-1993____A14_0/}
}