@incollection{SB_1972-1973__15__98_0,
     author = {Verdier, Jean-Louis},
     title = {Ind\'ependance par rapport \`a $\ell $ des polyn\^omes caract\'eristiques des endomorphismes de {Frobenius} de la cohomologie $\ell $-adique},
     booktitle = {S\'eminaire Bourbaki : vol. 1972/73, expos\'es 418-435},
     series = {S\'eminaire Bourbaki},
     note = {talk:423},
     pages = {98--115},
     publisher = {Springer-Verlag},
     number = {15},
     year = {1974},
     mrnumber = {419454},
     zbl = {0295.14007},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1972-1973__15__98_0/}
}