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The Goursat problem with impulse perturbations. (Ukrainian. English summary) Zbl 1289.35223

Summary: An estimate is derived for the function of two variables satisfying the Goursat problem with the data on the characteristics and we receive a pulse perturbation at defined curves.

MSC:

35L70 Second-order nonlinear hyperbolic equations
35A23 Inequalities applied to PDEs involving derivatives, differential and integral operators, or integrals
58J45 Hyperbolic equations on manifolds
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