Hyperbolic differential equations and algebraic geometry
Séminaire Bourbaki : années 1966/67 1967/68, exposés 313-346, Séminaire Bourbaki no. 10  (1968), Talk no. 319, p. 87-99 
@incollection{SB_1966-1968__10__87_0,
     author = {Atiyah, Michael F.},
     title = {Hyperbolic differential equations and algebraic geometry},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1966/67 1967/68, expos\'es 313-346},
     author = {Collectif},
     series = {S\'eminaire Bourbaki},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {10},
     year = {1968},
     note = {talk:319},
     pages = {87-99},
     zbl = {0201.12501},
     mrnumber = {1610456},
     language = {en},
     url = {http://www.numdam.org/item/SB_1966-1968__10__87_0}
}

Atiyah, Michael F. Hyperbolic differential equations and algebraic geometry, in Séminaire Bourbaki : années 1966/67 1967/68, exposés 313-346, Séminaire Bourbaki, no. 10 (1968), Talk no. 319, pp. 87-99. http://www.numdam.org/item/SB_1966-1968__10__87_0/

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