Hörmander, Lars Propagation of singularities and semi-global existence theorems for (pseudo-)differential operators of principal type. (English) Zbl 0396.35087 Ann. Math. (2) 108, 569-609 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 26 Documents MSC: 35S05 Pseudodifferential operators as generalizations of partial differential operators 35D05 Existence of generalized solutions of PDE (MSC2000) Keywords:Local Existence; Singularities; C-Infinity Solutions; Semiglobal Existence; Pseudodifferential Operators Citations:Zbl 0232.47055; Zbl 0208.359; Zbl 0256.35002; Zbl 0191.391; Zbl 0329.35011 PDFBibTeX XMLCite \textit{L. Hörmander}, Ann. Math. (2) 108, 569--609 (1978; Zbl 0396.35087) Full Text: DOI