@book{CJPS_1994__15_,
     author = {Serre, Jean-Pierre},
     title = {Quelques exemples d{\textquoteright}invariants cohomologiques},
     series = {Cours de Jean-Pierre Serre},
     number = {15},
     year = {1993-1994},
     language = {fr},
     url = {http://archive.numdam.org/item/CJPS_1994__15_/}
}