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zbMath0516.35048MaRDI QIDQ3663728

Todor Gramchev, Peter R. Popivanov

Publication date: 1982

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

zbMATH Keywords

correctness mixed problem propagation of singularities singular oblique derivative second order strictly hyperbolic operator

Mathematics Subject Classification ID

Initial-boundary value problems for second-order hyperbolic equations (35L20) Shocks and singularities for hyperbolic equations (35L67)

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