@incollection{SB_1977-1978__20__89_0,
     author = {Serre, Jean-Pierre},
     title = {Points rationnels des courbes modulaires $X_0(N)$},
     booktitle = {S\'eminaire Bourbaki : vol. 1977/78, expos\'es 507-524},
     series = {S\'eminaire Bourbaki},
     note = {talk:511},
     pages = {89--100},
     publisher = {Springer-Verlag},
     number = {20},
     year = {1979},
     mrnumber = {554216},
     zbl = {0411.14005},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1977-1978__20__89_0/}
}