@incollection{SB_1968-1969__11__79_0,
     author = {Mars, J. G. M.},
     title = {Les nombres de {Tamagawa} de groupes semi-simples},
     booktitle = {S\'eminaire Bourbaki : vol. 1968/69, expos\'es 347-363},
     series = {S\'eminaire Bourbaki},
     note = {talk:351},
     pages = {79--94},
     publisher = {Springer-Verlag},
     number = {11},
     year = {1971},
     zbl = {0213.47302},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1968-1969__11__79_0/}
}