@article{CM_1975__31_1_47_0,
     author = {Flato, Mosh\'e and Lichnerowicz, Andr\'e and Sternheimer, Daniel},
     title = {D\'eformations 1-diff\'erentiables des alg\`ebres de {Lie} attach\'ees \`a une vari\'et\'e symplectique ou de contact},
     journal = {Compositio Mathematica},
     pages = {47--82},
     publisher = {Noordhoff International Publishing},
     volume = {31},
     number = {1},
     year = {1975},
     mrnumber = {410816},
     zbl = {0317.53039},
     language = {fr},
     url = {http://archive.numdam.org/item/CM_1975__31_1_47_0/}
}