Atiyah, Michael F. Hyperbolic differential equations and algebraic geometry (after Petrowsky). (English) Zbl 0201.12501 Sémin. Bourbaki 1966/67, No. 319, 13 p. (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page PDFBibTeX XML Full Text: Numdam EuDML