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The propagation of singularities of a solution of the wave equation near a boundary. (English. Russian original) Zbl 0398.35057

Sov. Math., Dokl. 19, 400-402 (1978); translation from Dokl. Akad. Nauk SSSR 239, 772-774 (1978).

MSC:

35L05 Wave equation
35L20 Initial-boundary value problems for second-order hyperbolic equations
35B99 Qualitative properties of solutions to partial differential equations

Citations:

Zbl 0375.35041
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