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Propriété de symétrie des matrices localisees d’une matrice fortement hyperbolique en un point multiple. (French) Zbl 0385.35043

Equat. Deriv. part., Proc., Saint-Jean-de-Monts 1977, Lect. Notes Math. 660, 190-205 (1978).

MSC:

35L55 Higher-order hyperbolic systems
35L30 Initial value problems for higher-order hyperbolic equations
35B99 Qualitative properties of solutions to partial differential equations
Full Text: Numdam EuDML