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Non-uniqueness for the Cauchy problem. (English) Zbl 0315.35019

Fourier Integr. Oper. part. differ. Equat., Colloq. int. Nice 1974, Lect. Notes Math. 459, 36-72 (1975).

MSC:

35E99 Partial differential equations and systems of partial differential equations with constant coefficients
35B20 Perturbations in context of PDEs
35A35 Theoretical approximation in context of PDEs