@article{JEP_2016__3__1_0, author = {Fran\c{c}ois Laudenbach and Ga\"el Meigniez}, title = {Haefliger structures and symplectic/contact~structures}, journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques}, pages = {1--29}, publisher = {ole polytechnique}, volume = {3}, year = {2016}, doi = {10.5802/jep.27}, zbl = {1358.57028}, mrnumber = {3477863}, language = {en}, url = {https://jep.centre-mersenne.org/articles/10.5802/jep.27/} }