@incollection{AST_1975__24-25__133_0,
     author = {Lichtenbaum, Stephen},
     title = {Values of zeta and $L$-functions at zero},
     booktitle = {Journ\'ees arithm\'etiques de Bordeaux},
     series = {Ast\'erisque},
     pages = {133--138},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {24-25},
     year = {1975},
     mrnumber = {401711},
     zbl = {0312.12016},
     language = {en},
     url = {http://www.numdam.org/item/AST_1975__24-25__133_0/}
}