@book{AST_1980__79__1_0,
     author = {Katz, Nicholas M.},
     title = {Sommes exponentielles},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {79},
     year = {1980},
     mrnumber = {617009},
     zbl = {0469.12007},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1980__79__1_0/}
}