@article{AFST_1985_5_7_2_161_0,
     author = {Laudenbach, Fran\c{c}ois},
     title = {Un principe de prolongement mis en d\'efaut en g\'eom\'etrie symplectique},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {161--167},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {5e s{\'e}rie, 7},
     number = {2},
     year = {1985},
     mrnumber = {842768},
     zbl = {0585.58024},
     language = {fr},
     url = {http://archive.numdam.org/item/AFST_1985_5_7_2_161_0/}
}