@misc{10_4153_CJM_1970_130_8,
     title = {Equivalence {Locale} des {Structures} de {Contact} de {Codimension} {Un}},
     journal = {Canadian journal of mathematics},
     pages = {1123--1128},
     year = {1970},
     volume = {22},
     number = {6},
     doi = {10.4153/CJM-1970-130-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-130-8/}
}