@article{SDPP_1975-1976__17_2_A1_0,
     author = {Zagier, Don},
     title = {Traces des op\'erateurs de {Hecke}},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:23},
     pages = {1--12},
     publisher = {Secr\'etariat math\'ematique},
     volume = {17},
     number = {2},
     year = {1975-1976},
     mrnumber = {457353},
     zbl = {0349.10019},
     language = {fr},
     url = {http://www.numdam.org/item/SDPP_1975-1976__17_2_A1_0/}
}