@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/} }