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Publication:3326126
zbMath0539.35054MaRDI QIDQ3326126
Publication date: 1983
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Initial-boundary value problems for second-order hyperbolic equations (35L20) Periodic solutions to PDEs (35B10) Variational methods applied to PDEs (35A15) Oscillation, zeros of solutions, mean value theorems, etc. in context of PDEs (35B05) Second-order nonlinear hyperbolic equations (35L70) Perturbations in context of PDEs (35B20)
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