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Publication:3871307

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zbMATH Open0433.35078MaRDI QIDQ3871307

Victor Ivrii

Publication date: 1979

Title of this publication is not available (Why is that?)

zbMATH Keywords

multiplicity pseudodifferential operators characteristics Levi conditions hyperbolic problem

Mathematics Subject Classification ID

Pseudodifferential operators as generalizations of partial differential operators (35S05) Hyperbolic equations and hyperbolic systems (35L99)

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