Vaillant, Jean Symetrisation, en un point multiple d’ordre 3, des matrices localisees d’une matrice fortement hyperbolique. (French) Zbl 0346.35070 C. R. Acad. Sci., Paris, Sér. A 284, 489-491 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 35L55 Higher-order hyperbolic systems 35B99 Qualitative properties of solutions to partial differential equations × Cite Format Result Cite Review PDF