@phdthesis{BJHTUP11_1992__0327__A1_0,
     author = {Rumin, Michel},
     title = {Formes diff\'erentielles sur les vari\'et\'es de contact},
     series = {Th\`eses d'Orsay},
     publisher = {Universit\'e de Paris-Sud Centre d'Orsay},
     number = {327},
     year = {1992},
     language = {fr},
     url = {http://www.numdam.org/item/BJHTUP11_1992__0327__A1_0/}
}