@incollection{SB_1958-1960__5__7_0,
     author = {Demazure, Michel},
     title = {Structure du groupe orthogonal},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1958/59 - 1959/60, expos\'es 169-204},
     series = {S\'eminaire Bourbaki},
     note = {talk:169},
     pages = {7--17},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {5},
     year = {1960},
     mrnumber = {1603454},
     zbl = {0122.28201},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1958-1960__5__7_0/}
}