@incollection{SB_1976-1977__19__183_0,
     author = {Janko, Zvonimir},
     title = {On the finite simple groups},
     booktitle = {S\'eminaire Bourbaki : vol. 1976/77, expos\'es 489-506},
     author = {Collectif},
     series = {S\'eminaire Bourbaki},
     note = {talk:502},
     publisher = {Springer-Verlag},
     number = {19},
     year = {1978},
     zbl = {0387.20008},
     mrnumber = {521768},
     language = {en},
     url = {archive.numdam.org/item/SB_1976-1977__19__183_0/}
}

Janko, Zvonimir. On the finite simple groups, dans Séminaire Bourbaki : vol. 1976/77, exposés 489-506, Séminaire Bourbaki, no. 19 (1978), Exposé no. 502, 6 p. http://archive.numdam.org/item/SB_1976-1977__19__183_0/