@incollection{AST_1983__107-108__31_0,
     author = {Lichnerowicz, Andr\'e},
     title = {G\'eom\'etrie et cohomologies associ\'ees a une vari\'et\'e de contact},
     booktitle = {IIIe rencontre de g\'eom\'etrie du Schnepfenried (Volume 1) - 10 - 15 mai 1982},
     series = {Ast\'erisque},
     pages = {31--41},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {107-108},
     year = {1983},
     zbl = {0522.53033},
     mrnumber = {753128},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1983__107-108__31_0/}
}