@incollection{SB_1964-1966__9__41_0,
     author = {Grothendieck, Alexander},
     title = {Formule de {Lefschetz} et rationalit\'e des fonctions $L$},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1964/65 1965/66, expos\'es 277-312},
     series = {S\'eminaire Bourbaki},
     note = {talk:279},
     pages = {41--55},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {9},
     year = {1966},
     mrnumber = {1608788},
     zbl = {0199.24802},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1964-1966__9__41_0/}
}