@article{PMIHES_1996__84__35_0,
     author = {Deligne, Pierre},
     title = {Extensions centrales de groupes alg\'ebriques simplement connexes et cohomologie galoisienne},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {35--89},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {84},
     year = {1996},
     mrnumber = {98d:14056},
     zbl = {0930.20043},
     language = {fr},
     url = {http://archive.numdam.org/item/PMIHES_1996__84__35_0/}
}