de Paris, Jean-Claude; Wagschal, Claude Problème de Cauchy analytique à caractéristique multiples. (French) Zbl 0334.35016 C. R. Acad. Sci., Paris, Sér. A 283, 345-348 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35G10 Initial value problems for linear higher-order PDEs 35L30 Initial value problems for higher-order hyperbolic equations 35R20 Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) × Cite Format Result Cite Review PDF