@book{CJPS_1991__12_,
     author = {Serre, Jean-Pierre},
     title = {Quelques probl\`emes de cohomologie galoisienne},
     series = {Cours de Jean-Pierre Serre},
     number = {12},
     year = {1991},
     language = {fr},
     url = {http://archive.numdam.org/item/CJPS_1991__12_/}
}