Non holonomie dans un problème de diffraction. (French) Zbl 0446.35020

Sémin. Goulaouic-Schwartz 1979-1980, Équat. dériv. part., Exposé No. 17, 8 p. (1980).


35B65 Smoothness and regularity of solutions to PDEs
35A20 Analyticity in context of PDEs
35B99 Qualitative properties of solutions to partial differential equations
35S99 Pseudodifferential operators and other generalizations of partial differential operators
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