Gåarding, Lars Sharp fronts and lacunas. (English) Zbl 0222.35030 Actes Congr. internat. Math. 1970, 2, 723-729 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 35L67 Shocks and singularities for hyperbolic equations Citations:Zbl 0219.00001 PDFBibTeX XML