@incollection{AST_2010__331__13_0,
     author = {Colmez, Pierre},
     title = {Invariants $\mathcal{L}$ et d\'eriv\'ees de valeurs propres de {Frobenius}},
     booktitle = {Repr\'esentations $p$-adiques de groupes $p$-adiques III : m\'ethodes globales et g\'eom\'etriques},
     series = {Ast\'erisque},
     pages = {13--28},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {331},
     year = {2010},
     mrnumber = {2667885},
     zbl = {1251.11080},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_2010__331__13_0/}
}