Hörmander, Lars 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). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 6 Documents 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 PDFBibTeX XML