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zbMath0692.35008MaRDI QIDQ3034133

Massimo Villarini, Rita Ceppitelli

Publication date: 1986

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

zbMATH Keywords

nonlinear perturbation well-posed bicharacteristic canonic form duplication of frequency

Mathematics Subject Classification ID

Initial-boundary value problems for second-order hyperbolic equations (35L20) Second-order nonlinear hyperbolic equations (35L70) Perturbations in context of PDEs (35B20)

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