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Incompressible Euler system and analytic microlocal regularity. (Système d’Euler incompressible et régularité microlocale analytique.) (French) Zbl 0876.35089
The author considers the Euler equation for an incompressible fluid. He proves the analytic regularity of the stream lines. In the case of two dimensions one has Gevrey regularity.
Reviewer: V.A.Sava (Iaşi)

MSC:
35Q35 PDEs in connection with fluid mechanics
76B47 Vortex flows for incompressible inviscid fluids
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