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zbMath0515.35053MaRDI QIDQ3661995

V. N. Vragov, B. A. Bubnov

Publication date: 1982

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

existence well-posed boundary value problems ultrahyperbolic equations solutions in Sobolev space

Mathematics Subject Classification ID

Initial-boundary value problems for second-order hyperbolic equations (35L20) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Boundary value problems for linear higher-order PDEs (35G15) PDEs on infinite-dimensional (e.g., function) spaces (= PDEs in infinitely many variables) (35R15)

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Propriety of the mixed problem for a degenerate hyperbolic equation with arbitrary type of degeneracy ⋮ The mixed problem for a degenerate second-order hyperbolic equation

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